Abstract: A fabrication process of a stepped circuit board, comprises the following steps of: A) cutting a circuit board substrate, printing patterns on an inner layer thereof, performing etching, stepped groove grinding, washer milling, brownification and lamination processing on the inner layer, and then drilling holes on an outer layer thereof; B) depositing copper on the outer layer of the circuit board substrate with drilled holes, and then electroplating the entire circuit board substrate; C) performing pattern transfer; D) performing pattern copper plating on the circuit board substrate, and grinding the shape of a connecting piece (SET) on the circuit board substrate, and then etching the outer layer; E) printing a solder mask and texts in a silk-screen manner; F) depositing nickel immersion gold on the entire substrate, then printing characters in a silk-screen manner; and G) testing and inspecting the electrical performance and appearance of a finished board.

Abstract: A flaring system for stator windings includes a base member, and a first cuff supported at the base member. The first cuff includes a first body having an inner annular surface that defines a first central opening. A second cuff includes a second body having an inner annular surface that defines a second central opening. A flaring guide includes an angled surface configured and disposed to rest upon the second body. A flare tool includes a flaring portion having an angled surface portion. The flaring portion is configured and disposed to extend between first and second stator winding layers of the a stator end turn portion with the angled surface portion urging one of the first and second stator winding layers radially outward against the angled surface of the flaring guide.

Abstract: A disk drive device includes a base, a hub on which a recording disk is to be mounted, and a fluid dynamic bearing unit that supports the hub in a freely rotatable manner relative to the base. The hub includes a hub protrusion to be engaged with the center hole of the recording disk, and amount portion on which the recording disk is to be mounted. A manufacturing method of this disk drive device applies electromechanical machining to the hub protrusion to form an electromechanical machined surface.

Abstract: Disclosed herein is a battery case including a receiving part having an electrode assembly mounted therein, wherein the receiving part, which is formed by deforming a sheet type base material, is configured to have a stair-like structure in which at least one corner and/or surface forming a shape of the receiving part is deformed.

Abstract: According to one embodiment, a manufacturing method of an electrode includes supplying a current collector, coating the current collector with a slurry and drying the slurry. In the manufacturing method of the electrode, the current collector is supplied onto a backup roll including annular protruding portions formed on an outer circumferential surface of the backup roll. A surface of the current collector excluding a portion arranged on a plurality of the annular protruding portions is coated with slurry containing an active material. And, then, the slurry is dried.

Abstract: According to one embodiment, a manufacturing method of an electrode, includes coating a first surface of a current collector with slurry, coating a second surface of the current collector with the slurry, and drying. The first and second surfaces are coated with the slurry in such a way that a slurry coated portion and a slurry non-coated portion are alternately arranged in a direction perpendicular to a moving direction of the current collector. The slurry non-coated portion is arranged on annular protruding portions of a backup roll. The slurry coated portion is dried by a drying apparatus. A formula (1), 0<L1, and a formula (2), 0<L2, are satisfied.

Abstract: A system for processing battery plates and arrangement thereof in the battery housing, including transportation apparatuses and individual processing stations, such as insertion stations, tin bath, and a lead casting station. The battery plates which are to be processed are arranged as plate stacks in a plurality of clamping cassettes which are equipped with the plate stacks arranged in a vertically oriented transportation apparatus which rotates in a circle. The plate stacks and the individual processing stations rotate in a vertically oriented circular movement and can be supplied to the clamping cassette which is positioned in the processing station.

Abstract: A device for assembling an element on a surface of a substrate by providing a solder-forming mass. The device has a means for moving the element and a measurement means. The means for moving the element includes a support and an element gripper member. The gripper member has a vertical axis that is perpendicular to the surface of the substrate and is mounted to move freely in translation on the support in a direction parallel to its vertical axis. The measurement means measures a variation of the position of the element in vertical translation.

Abstract: The assisting tool for a connector includes a mounting member able to be mounted in a first housing having a first connector able to mate with a second connector in a second housing, and an operating member able to rotate with respect to the mounting member. Here, the operating member has a lever portion, the operating member is mounted in the first housing, and the lever portion contacts the second housing and applies pressure to the second housing in the direction releasing the mated first connector and second connector when the operating member is rotated while the first connector is mated with the second connector.

Abstract: Aligning machines for individual line ends (2) of cable (3) provide enhanced stress-free and precise alignment of line ends (2) of the cable (3) prior to the further processing thereof. Cable (3) is fixed in a clamp (5) opposite a rotor (4) provided with recesses (6, 7) for the exposed line ends (2). This rotor (4) is provided with a corresponding number of preferably parallel elongate blind holes (7) that connect to funnel-shaped guides (6) for the line ends (2). The rotor (4) and the clamp (5) for the cable (3) are movably mounted relative to one another.

Abstract: A photovoltaic device and a method of making a photovoltaic device that includes a stack of layers, including a substrate and an electrode layer. The photovoltaic device includes a semiconductor light absorption layer that is formed on the stack by a coating liquid that includes a plurality of semiconducting particles. The coating liquid may also include a solvent and a plurality of additive molecules. The photovoltaic device also includes a transparent conducting layer disposed on the semiconductor light absorption layer and a grid electrode disposed on the transparent conducting layer.

Abstract: In a method for manufacturing a channel-type brush seal of an embodiment, a cored bar is made to abut on a bundle of thin wires and the bundle of thin wires is bent at a part at which the cored bar abuts on the bundle of thin wires. Here, the cored bar is made to abut on the bundle of thin wires so that an extending direction of the thin wires in the bundle of thin wires is inclined with respect to an extending direction of the cored bar, and then the bundle of thin wires is bent, to thereby make extending directions of the bent thin wires intersect. Next, the channel is bent so that the channel sandwiches and fastens the bundle of thin wires and the cored bar at a part at which the bundle of thin wires is bent.

Abstract: A rotor blade assembly tool for coupling a plurality of circumferentially spaced rotor blades to a rotor disc of a turbine rotor assembly, includes a base ring with an array of circumferentially spaced resilient fingers axially extending from the base ring.

Abstract: An integrated semiconductor heating assembly includes a semiconductor substrate, a chamber formed therein, and an exit port in fluid communication with the chamber, allowing fluid to exit the chamber in response to heating the chamber. The integrated heating assembly includes a first heating element adjacent the chamber, which can generate heat above a selected threshold and bias fluid in the chamber toward the exit port. A second heating element is positioned adjacent the exit port to generate heat above a selected threshold, facilitating movement of the fluid through the exit port away from the chamber. Addition of the second heating element reduces the amount of heat emitted per heating element and minimizes thickness of a heat absorption material toward an open end of the exit port. Since such material is expensive, this reduces the manufacturing cost and retail price of the assembly while improving efficiency and longevity thereof.

Abstract: A shaping apparatus of the invention is used for shaping a chassis and includes a machine body, a first die, a second die and a plurality of shaping members. The first die is disposed at a side of the machine body and the chassis is suitable to be placed and positioned at the first die. The second die is disposed at another side of the machine body. The machine body drives the second die to move relatively to the first die so that the second die moves close to or far away from the first die. The shaping members are detachably assembled to at least one of the first die and the second die so that when the first die and the second die approach each other, the shaping members press and deform the chassis thereon. A shaping method for a chassis is also disclosed.

Abstract: This method is for replacing sealing elements on a rolling bearing assembly comprising a rotatable element, a fixed element, and at least one bearing mounted between the rotatable element and the fixed element, at least one used sealing element being rotatably fastened to at least one of the rotatable element and the fixed element and having at least one sealing lip adapted to lay on a first surface of the element with respect to which the used sealing element rotates. The method comprises a step of mounting at least one replacement sealing element so that at least one sealing lip of the replacement sealing element lays on a second surface of the element with respect to which the used sealing element and the replacement sealing element rotate, this second surface being located at a predetermined distance of the first surface.

Abstract: A dual safety utility knife having a safety guard positioned next to the cutting blade preventing accidental injuries when the tip of the knife accidentally contacts human bodies. A spring keeps pushing out the safety guard to cover the side of the cutting blade at all times. The safety guard moves back inside the knife shell only when the tip of the knife pressed against hard objects for cutting. The safe guard doesn't move back inside the knife shell when the knife tip pressed against soft objects such as skins and mussels. Additional safety feature keeps locking the safety guard from movements at all times for extra safety protection. The safety guard is released only when the safe release button manually pushed in. A box cutting guide allows cutting the top of the boxes with an even straight line. A blade folder is provided for fast blade change.

Abstract: Some embodiments of the invention relate to a rotation laser and a method for operating a rotation laser. The rotation laser may be provided with a laser light source for generating a laser beam, a deflection means rotatable about a rotation axis and serving for the directional emission of the laser beam, and an optical system comprising one or more lenses for manipulating the laser beam. In some embodiments, at least one of the lenses is a lens which is deformable in a targeted manner by actuators. In some embodiments, a control unit is included for manipulating the at least one lens. In some embodiments, the at least one lens has at least four actuators which are drivable by the control unit and/or which are arranged in a manner distributed along a circumference of the lens.

Abstract: The invention provides a surveying system, which comprises an electronic level and staff devices belonging to either one of two or more groups, wherein the staff device has staffs with bar codes corresponding to groups, to which a staff belongs, and mobile station devices installed on the staffs, wherein the mobile station device has a mobile station display unit to display working data and a mobile station communication unit for performing wireless communication to and from the electronic level, wherein the electronic level has an image pickup unit for acquiring images within a range of working, a control device for extracting staff images from the images, for identifying as to which group the bar code pattern of the extracted staff image belongs and for determining three-dimensional position of the staff based on the staff image, and a main communication unit for transmitting the three-dimensional position obtained to the mobile station device, and wherein the mobile station device displays the relation bet

Abstract: In a stake-out marker for staking out buildings and the like with a foot plate (10) and a carrier plate (16) carrying a reflection element (22) the carrier plate (16) can be adjusted relative to the foot plate (10) between a transport position in which the carrier plate (16) lies substantially parallel to the foot plate (10) and a work position in which the carrier plate (16) stands vertically to the foot plate (10). The foot plate (10) has at least one perforation (48, 50, 56) with a first edge (52) running parallel to the carrier plate (16), standing in its work position, in the reference plane (20) of the reflection element (22), and with a second edge lying vertically to the first edge in a plane running vertically to the foot plate (10) through the center of the reflection element (22).

Abstract: A high precision positioning ruler with an indication pen includes a ruler body having a longitudinal penetrating hole; a scale for indication of lengths being formed on a surface of the ruler body; a positioning unit being slidable along the longitudinal penetrating hole for being positioned to a point of the scale; the positioning unit having an pen for drawing points or lines to indicate lengths to be measured; a leveler and a verticality mater being installed on the ruler body for controlling the ruler to be positioned horizontally or vertically. In use of the ruler, the ruler resisted against a measuring surface; for horizontal measurement, the user views the leveler to control the horizontalness of the ruler; then the positioning unit being moved along the longitudinal penetrating hole to a desired length and then the pen is used to indicate the point.

Abstract: A measuring device for measuring and inspecting various linear dimensional properties of a machined groove in a workpiece includes a fixing base, a measuring assembly, and first and second positioning members received through and protruding from the fixing base at right angles during the movement of the measuring assembly. The measuring assembly includes a measuring member, a shim, and an elastic member, the shim sleeves on an end of the measuring member, and the elastic member resists between the shim and the fixing base. The measuring assembly, together with the first positioning member and the second positioning member, enable the required depth and relative position of the machined groove to be accurately determined and inspected.

Abstract: A splash guard for hand dryers that eliminates or reduces water from being splashed from the hands during the drying process onto the nearby walls and floor. The splash guard may be configured to mount below existing wall mounted hand dryers or may include an integrated blower assembly having a blower positioned in the lower portion of the splash guard, such as below the outlet nozzle and the hands being dried.

Abstract: Systems and methods for dewatering mine tailings with water-absorbing polymers. The systems and methods may include combining a mine tailings slurry, which includes mine tailings and water, with a water-absorbing polymer. The water-absorbing polymer may absorb water from the mine tailings, thereby increasing a solids content of the mine tailings. The mine tailings may be combined with the water-absorbing polymer prior to, during, and/or subsequent to transfer of the mine tailings to a mine tailings dewatering and/or disposal site. In some embodiments, the water-absorbing polymer may be an encapsulated water-absorbing polymer.

Abstract: Systems and methods for dewatering mine tailings. The systems and methods include distributing a slurry of high permeability material on a sloped surface to define a high permeability layer and subsequently distributing a slurry of low permeability mine tailings on the high permeability layer to define a low permeability layer that is vertically above and in contact with the high permeability layer. The sloped surface defines a non-zero surface grade, and natural slopes of both the slurry of high permeability material and the slurry of low permeability mine tailings are within a threshold grade difference of the surface grade. In some embodiments, the systems and methods may include augmenting the slurry of high permeability material and/or augmenting the slurry of low permeability mine tailings to adjust the natural slope thereof.

Abstract: The invention provides a strap fastener configured for use with thong or flip flop style sandals. Sandal Savers wrap around a wearer's heel and connects by a hook to existing side straps extending from the toe divider post, adding a secure heel strap that prevents a sandal from sliding off one's foot. Each Sandal Saver is one piece, comprised of an elongated piece of stretchy elastic or comparable banding. To facilitate a firm and secure hold during wear, a button adjuster knob is secured over the toe strap center, allowing a user to loosen or tighten the strap as necessary.

Abstract: An article of footwear includes an upper and a sole assembly secured to the upper. The sole assembly includes a first portion having a lower ground engaging surface, an upper surface, and a recess formed in the upper surface. The upper surface of the first portion is in contact with the upper. A second portion is seated in the recess in the first portion and has an upper surface, with the upper surface of the second portion being in contact with the upper. The second portion comprises a foam material having a density less than 0.25 g/cm3.

Abstract: A removable puncture protective footwear insert with an insole with an orthotic shape that includes an arch support and a heel cup made of a cellular foam product, a multiple layer protective material where the layers are coupled together and held within the insole and a cushioning and shock absorption material that helps maintain the insole orthotic shape. The cellular foam product is PORON™ or ethylene vinyl acetate, PORON™ and ethylene acetate and the insole may be with or without a tile heel cup. The multiple layer protective material is a SWEN-FLEX® material LENZI EGISTO PS5 ES L-PROTECTION® material, or other puncture proof material. There are also two or more separate methods for manufacturing a removable footwear insert.

Abstract: A heel counter is roughly a U-shaped cup. The bottom of the cup is a support part with the effect of uniformly distributing pressure on the heel. The cup rim embraces the surrounding of the heel to provide protection and stability. The cup rim has several hollow parts to reduce the overall hardness, to enhance comfort by providing suitable elasticity, and to circulate air. The bottom surface of the support part of the cup is provided with arc-shaped supporting elastic plate to alleviate pressure on the heel by absorbing shocks. A midfoot and phalanx support part is formed from the cup bottom toward the midfoot. A lateral longitudinal arc support part is formed from the outer side of the cup bottom toward the midfoot.

Abstract: Provided is a shoe, including a concave body having an erecting circumferential rim having one or more foot securing areas along at least a portion of the circumference of the rim, where the one or more foot securing areas are inwardly-protruding, so as to secure a foot in the concave body when the shoe is worn, and where the one or more foot securing areas have an elasticity that enables the one or more foot securing areas to be pushed outwardly to receive the foot.

Abstract: The present invention relates to a footwear system allowing a wearer to change styles of a sandal by detaching and attaching distinct insoles patterned with a variety of decorative designs.

Abstract: A new design of shoe sole that includes both a base portion and a base support portion, wherein said base support portion is a base support portion attached underneath to the center area of said has portion. The current design further includes an expansion portion that extends downwardly from the outside rim of said base portion, wherein said expansion portion is elastic, and the bottom surface of said base support portion is higher than the bottom surface of said expansion portion. Footwear made of this type of sole first touch a support surface (ground) with the expansion portion, which forms a first contact region. Further because the expansion portion is located at the outward rim of the base portion, it is easier for the expansion portion to extend to all directions when pressed. It allows a first round of shock absorption in both longitudinal and cross-sectional directions.

Abstract: A breathing shoe has a network of intercrossing and interconnecting pipes in the outer sole and midsole thereof. Each of the pipes has at least one outlet in communication with the environment in the front and rear position of the shoe. Each of the pipes is formed with several vent holes. Any hole of the outer sole has a semicircular hole opening upward. The midsole has a semicircular hole opening downward corresponding to the outer sole and a vent hole. After the outer sole and the midsole are combined together, the air chamber formed by the two semicircular holes along with the vent holes exchange humid and hot air inside the shoe with the fresh air outside, keeping the inside dry.

Abstract: A snow removal vehicle is provided as a means of collecting, melting, and transporting in order to facilitate snow removal operations during winter months. The snow removal vehicle is able to remove and dispose of snow from a plurality of environments. The snow removal vehicle accomplishes this through the user of a snow collection means mounted to the front section of an existing vehicle. The snow collection means channels removed snow through a snow conveyance means which transports the collected snow to a water tank positioned within an insulated enclosure. A high pressure nozzle sprays the collected snow while in the snow conveyance means to melt it before it reaches the water tank. The water tank contains the collected snow as water, but additional serves as reservoir for the high pressure nozzle.

Abstract: A heavy duty excavator bucket is constructed with an exoskeletal structure comprising coupled cast components including a lip member, opposed wing members, junction members locatable between floor and side walls and side and rear walls and a cap rail structure extending between opposed wing members about the upper periphery of the bucket to form an integral structure. Steel plate floor, side wall and rear wall members extend between adjacent exoskeletal regions. The bucket may include a cast arch member extending between opposed wing members and a cast reinforcing member extending between opposed junction members adjacent said rear wall.

Abstract: A control system is disclosed for use with a machine. The control system may have a first work tool connected at an end of a linkage arrangement, and a first interface device configured to receive input indicative of a desired movement of the first work tool and to generate a corresponding signal. The control system may also have a plurality of actuators operatively connected to the first work tool via the linkage arrangement, a plurality of valves associated with the plurality of actuators, and a controller in communication. The controller may be configured to determine a combination of the plurality of actuators that should be activated together to generate linkage movements that compound to produce the desired movement of the first work tool based on the signal, and to selectively command movement of a combination of the plurality of valves corresponding to the combination of the plurality of actuators.

Abstract: An electric fireplace with a simulated fire generator within a viewing area of the housing and a controller electrically coupled to the housing to control one or more functions of the electric fireplace and a heater. A display screen for displaying the operative functions of the electric fireplace and heater attached to the housing and configured to move between a view position and a non-view position in response to the controller. By activating or adjusting the controller, the display screen moves from a non-view position to a view position in response to the controller. In the view position, the display screen may be within the viewing area of the housing for viewing information depicted thereon.

Abstract: A mortar board display holder comprises a board clip portion, a display supporter portion, and a connecting portion joining the board clip portion and the display supporter portion. The board clip portion has a flat upper prong having a first plane, a flat lower prong having a second plane, and a spacing member that holds the upper prong fixably spaced from the lower prong such that the second plane is substantially parallel to the first plane. The display supporter portion has a flat first leg having a third plane, a flat second leg having a fourth plane, and a holding member that holds the first leg and the second leg such that the third plane is substantially parallel to the fourth plane. The display supporter portion may further comprise a neck adjacent to and connected to the holding member, and an elongated arm adjacent to and connected to the neck. The neck may be straight or curved.

Abstract: A four sided illuminable frame arrangement for the convenient display of a planar article, the frame arrangement comprising an elongated inner rail receivably connected to an elongated outer rail, the outer rail having an elongated cover rail hingedly connected thereto, the three rails comprising a multi-component assembly for each side of the four sided frame arrangement, the elongated inner rail allowing for fastener-free capture of a light-transparent panel having an L-shaped first side which supports an elongated arrangement of LEDs, the inner rail also having a mounting bracket channel on the rear side thereof, and a second alignment bracket channel disposed thereadjacent, the second alignment bracket channels having upstanding panel-support-flanges for even, peripheral support of the aforementioned light-transparent panel thereon.

Abstract: An improvised guide rod assembly for semiautomatic firearms is provided for adjusting the tensile force on a spring internal to the firearm. The assembly included a guide member distending distally from the firearm's forward components, creates a tension in the mechanical workings of the firearm during discharge, and enhances accuracy, bullet velocity, and defensive functionality. A guide rod positions inside a firearm guide channel, protruding outside the firearm from a distal end. The guide member passes through a similarly sized and dimensioned spring. Tension on the spring transfers to an adjacent firearm slide member, whereby during discharge of the firearm, the slide member meets resistance while in motion. Using the adjustable guide rod to realize spring resistance increases, the velocity of a bullet is improved as is control of the firearm after recoil. The guide rod also serves as a close proximity weapon.

Abstract: A method and system for preventing the firing of a gun comprises a component on the gun for preventing the gun from being fired, for example, preventing the trigger from being pulled when the gun is in an area that has a wireless power sending source configured to send power to the component for firing prevention. There is no need for a battery on the gun or the transfer of any information between the component and the wireless power sending source, the power being emitted from the source and received by the component controls the firing capability.

Abstract: A gun lock includes engagement structure for engaging the firing mechanism to prevent operation of the firearm. A plurality of rotatable ratchet wheels are provided and a combination disk is engaged to, disengageable from, and rotatable with an associated ratchet wheel. Movable cage structure includes a plurality of keys and each combination disk has an associated key-way, the keys being moveable into the key-ways upon the movement of the ratchet wheels and associated combination disk to an unlocking position. A combination-entering member is associated with each ratchet wheel. A combination-changing member is operable to disengage the combination disks from the ratchet wheels to permit relative movement there between, and thereby relative movement of the key-way of the combination disk relative to the initial position of the associated ratchet wheel to effect changing of the combination of operations of the combination-entering members required to unlock the lock and operate the firearm.

Abstract: A forearm for a firearm that includes a magnesium alloy body. The forearm can be adapted for use in a modular rifle having both an upper receiver securable to a barrel and a lower receiver housing a trigger assembly. The magnesium body may also be nickel plated and have a ceramic coating on the nickel plating. Also disclosed are methods of manufacturing a forearm having a magnesium alloy body. The magnesium alloy body may be formed by extrusion or by thixotropic molding. In some embodiments, the magnesium forearm includes an outer sleeve formed out of a magnesium alloy and an inner sleeve formed out of a different material.

Abstract: A firearm camera mount for securing a camera to a distal end of a firearm is disclosed. A fastening member is configured to be fastened to the distal end of the firearm. A support member is fixed to the fastening member. The support member defines a bracket. A camera support is releasably securable to the bracket and securable to a camera. Thus, when the camera support is secured to the bracket and a camera, the camera support cooperates with the support member and the fastening member to maintain at least one shooting direction of the camera along a shooting direction of the firearm.

Abstract: A hinged mounting assembly for use in connection with a gun-mounted light accessory is disclosed. The assembly has a light source disposed within a housing and a rail clamp connected to the housing. The rail clamp has a fixed clamp member attached to the housing and a hinged clamp member pivotally attached to the housing. The static clamp member and the hinged clamp member are disposed on opposite sides of the housing. A vertically moveable adjustment tab is attached to a first clamp post end. The adjustment tab has a cylindrical member with a lower half that is planar and an upper half that is arcuate. A vertically and horizontally adjustment tab is attached to a second clamp post end. The second adjustment tab also has a lower half that is planar and an upper half that is arcuate.

Abstract: A Universal Machinegun Sight (UMS) with a modular design is discussed, whereby the UMS includes a main body receiving a lens body in a detachable manner; a mounting solution disposed in the main body; a wheel type bullet drop compensation device to accept various caliber disks and disposed in the main body; a removable LED module disposed on the main body; and a magnification mounting rail disposed on the main body.

Abstract: A sighting device replicates the spread pattern of pellets exiting the barrel of a shotgun. The sighting device includes a light source (preferably a laser) and a power source connectable to the light source. The device may also include a mount to attach the sighting device to a shotgun. The sighting device preferably projects a circular pattern of individual light beams wherein the circumference of the circular pattern increases as the light beams move farther from the sighting device to replicate the spread of shotgun pellets. The sighting device may also project a beam of light in the center of the pattern.

Abstract: This disclosure relates to an apparatus for mounting a camera onto a firearm and an associated device for capturing images and recordings of a firearm target. The apparatus allows for easy attachment of cameras of varying sizes onto the scope of a firearm and along the same longitudinal axis of the scope. The apparatus comprises a sleeve connected to a scope of a firearm, the sleeve being hallow and having a longitudinal axis longitudinal axis forming an unobstructed axial bore and generally coaxial with a longitudinal axis of the scope; a base member with a hole and adapted to receive a camera with the hole of the base member positioned adjacent to the lens of the camera and the longitudinal axis of the camera lens is generally coaxial with the longitudinal axis of the scope.

Abstract: A dynamic ballistic effect compensating reticle and an aim compensation method for use in rifle sights or projectile weapon aiming systems includes a multiple point elevation and windage aim point field including a primary aiming mark indicating a primary aiming point adapted to be sighted-in at a first selected range (e.g., 200 yds) and a plurality sloped secondary aiming point arrays beneath the primary aiming mark. The method for compensating for a projectile's ballistic behavior while developing a field expedient firing solution permits the shooter to express the field expedient firing solution in units of distance, (e.g., yards or meters, when describing or estimating range and nominal air density ballistic characteristics), and angular offset of azimuth (e.g., MILS or MOA) for crosswind jump corrected windage hold points.

Abstract: Devices, systems and kits are described which provide a method for trapping crustaceans in an aquatic environment. The systems include receptacles for holding bait, with a lid to secure a soluble layer onto the receptacle. The soluble layer dissolves over time to allow the scent of the bait to be released in the aquatic environment to attract the target crustaceans.