Abstract: The present invention is concerned with a desktop screen bracket, comprising a screen bracket main body, a support rod and a support base, the support rod is arranged on the support base, an extension socket installation slot for installing an extension socket is arranged on the support rod, and a threading opening is arranged on the extension socket installation slot, a power cord of the extension socket is connected to the outside world through the threading opening. The advantageous effects of the present invention are as follows: solving the problem of random arrangement of the extension socket that supplies power to the screen and high potential safety hazards, and improving the cleanliness and appearance of the desktop by arranging extension socket installation slots on a support rod.

Abstract: A fluid source comprises a connector assembly for connecting a fluid supply device to either a first therapy device or to a second therapy device. A controller automatically provides a first configuration of a user interface associated with a first therapy when a supply connector is operatively coupled to the first therapy device and provides a second configuration of the user interface associated with a second therapy, different than the first configuration, when the supply connector is operatively coupled to the second therapy device. A hanger assembly is provided to hang the fluid source on different support structures. The fluid source also comprises a housing with a watershed region to shed liquid away from the user interface.

Abstract: A panoramic device includes a base member and a clamp member rotatably interconnected within a single plane of rotation with the base that includes a first rotatable knob to selectively inhibit the rotation of the clamp member with respect to the base. The upper surface includes a central region that is at a different elevation than another portion of the upper surface. The clamp includes a pair of opposed surfaces suitable to detachably secure a camera thereto. The one of the opposed surfaces is maintained in a fixed relationship with respect to the clamp member. The other one of the opposed surfaces is in a movable relationship with respect to the clamp member using a second rotatable knob. The first knob and the second knob are rotatably connected with respect to one another.

Abstract: This utility model discloses a foldable frame for a cart, including the front wheel unit part, the rear wheel unit part, the side-wall connection structure, the scissor structure I, the scissor structure II, the bottom support structure. The said scissor structure I is movable-connected on the front wheel unit part, and both the said scissor structure II and the scissor structure I have the same structure and are connected on the rear wheel unit part. Two groups of the said side-wall connection structure are provided and they are respectively connected on the front wheel unit part and the rear wheel unit part on the same side. Totally, the said bottom support structure are movable-connected to two groups of the said front wheel unit part and the rear wheel unit part. This utility model belongs to the technology field of the frame for a cart.

Abstract: A bottle rack has a panel with a plurality of receptacle apertures and a corresponding plurality of cylindrical receptacles, each cylindrical receptacle having a receptacle opening located at the corresponding aperture and projecting away from a rear face of the panel.

Abstract: A reclining chair or the like provides a set of base-mounted extendable arms that move forward as the chair reclines, and the leg rest extends to brace the chair against forward tipping, for example, if weight is applied to the leg rest without the counterbalance of an occupant. When the leg rest retracts, the arms pull back to reduce tripping hazard.

Abstract: A pallet assembly is provided and includes one of a bushing, a utility panel assembly and tooling features. The bushing is securably insertable into bushing openings defined in bottom and top pallet assembly panels and pallet assembly sidewalls. The bushing is selected from a group including multiple bushings having bores of various sizes and one or more apertures of varying sizes that are communicative with the bores. The utility panel assembly is supportively disposable on the bottom pallet assembly panel and includes a utility panel having multiple connectors. The tooling features supportively connect the pallet assembly sidewalls to a transport cart.

Abstract: A medical fluid bag rack for hanging bags containing medical fluid that includes at least one base section; at least two support arms which extend from the base section; and at least one bag rack arm. The at least one bag rack arm extends from the base section or from one of the support arms. Also disclosed are methods for manufacturing the fluid bag rack and devices.

Abstract: A large boom stand having a base with adjustable wheels that can vary the foot print size of the boom stand. The boom stand allows for height changes using pneumatically assisted lifting mechanisms that facilitate the raising and lowering of the boom arm when carrying a heavy load.

Abstract: The present application describes a monoblock container, with wheels, consisting of two compartments intended, for example, for product storage and transportation. The monoblock container is formed in one piece, which is divided in two compartments of distinct dimensions, favouring the segmentation of products to be stored/transported among said compartments.

Abstract: A liquid withdrawal system includes a base, at least one motion-enhancing element, a plurality of grip elements and a clamp. The base has a load-carrying surface and a rotational axis. The rotational axis is perpendicular to the load-carrying surface. The base is rotatable relative to the rotational axis. The motion-enhancing element is disposed on the load-carrying surface. The clamp is disposed opposite the load-carrying surface. The base and clamp jointly define a receiving space. The receiving space is adapted to receive a liquid barrel. The grip elements are movably connected to the base and symmetrically positioned relative to the base.

Abstract: A compressor assembly includes a compressor having a cylinder and a connecting rod in a connecting rod plane. The connecting rod includes a compressor piston and a connecting rod bearing. The compressor assembly includes a drive having an axis of rotation, a drive shaft, and a housing. The drive shaft is mounted in a drive shaft bearing and has a connecting rod side end and a connecting rod remote end. The drive shaft has a connecting-rod receiving portion which is arranged eccentrically to the axis of rotation of the drive at the connecting rod side end.

Abstract: An assembly of a first and second child transport apparatus is disclosed. Each apparatus may include: a frame having a frame base, at least one wheel, and a handle; at least one brake and a brake rod, wherein the brake rod is attached to the frame, and wherein the at least one brake actionable upon the wheel when the brake rod is actuated; a carriage pivotably attached to the frame; and a foldable backrest pivotably attached to a base of the carriage, wherein, in a nested position, the foldable backrest of the first apparatus is folded down and the carriage of the second apparatus is positioned partially within the carriage of the first apparatus such that the carriage of the second apparatus is disposed partially over the foldable backrest of the first apparatus; and the brake rod of the first apparatus is released by the handle of the second apparatus.

Abstract: Described herein are embodiments of systems and methods for the removal of a direct drive unit (DDU) housed in an enclosure, such as a direct drive turbine (DDT) connected to a gearbox for driving a driveshaft connected to a pump for use in a hydraulic fracturing operations.

Abstract: The tool includes a first support element with: a first resting surface for allowing the tool to rest on the floor; a first support surface and a second support surface for respectively supporting on the same a first arm and a second arm of a first support of the subset that supports a low-speed shaft. Between the first support surface and the first resting surface is a first distance that is different from a second distance between the second support surface and the first resting surface. The difference in distances allows the low-speed shaft to be transported in a container according to an inclined orientation, with the maximum dimension thereof oriented according to the diagonal of the container, thereby simplifying the transport costs and logistics.

Abstract: Apparatuses and methods for a self-deploying tree are disclosed. In an exemplary embodiment, a self-deploying tree system comprises a top tree assembly, a main tree assembly, and a base. The lower end of the top tree assembly may be coupled to the upper end of the main tree assembly, and the lower end of the main tree assembly may be coupled to the base, providing a vertical orientation of the self-deploying tree system. The self-deploying tree system further comprises a deployment mechanism which may be activated to automatically convert the tree from a collapsed configuration to a deployed configuration or from a deployed configuration to a collapsed configuration. The collapsed configuration comprises a reduced height and a reduced circumference to allow for ease of handling and storage. The deployed configuration provides for the tree to be extended to a desired height and for deployment of the limbs as desired for display.

Abstract: A wheeled platform for moveably supporting an object comprises a planar base, at least three straps, and at least three wheels. The base includes (i) at least three slots; and (ii) at least three base apertures extending through the base. Each of the straps includes (i) an end wall including an engagement element configured to engage a part of the object to releasably secure the wheeled platform to the object; and (ii) a strap aperture. Each of the straps is positioned with the end wall of the strap extending through a corresponding one of the slots within the base, such that each strap aperture is aligned with a corresponding one of the base apertures. Each wheel stem is secured extending through a corresponding set of aligned apertures to fix the components of the wheeled platform together in place.

Abstract: A modular design for a pressure washer system comprises a support frame including a top mounting surface, a first power assembly configured to be mounted to the support frame, and a cage assembly including a cage frame and a cage attached to the cage frame and configured to extend upwardly from the cage frame at least partially surrounding the power assembly, wherein the cage frame is configured to be attached to the support frame.

Abstract: Embodiments of the invention relate to docking systems for poles or other devices that can hold medical and/or accessory equipment, typically in a clinical or hospital environment, and can include associated docking systems for various devices such as beds, wheelchairs, walkers, wagons, and the like.

Abstract: Luggage that may be mechanically integrated with a platform, including a piece of luggage including a slit through which the piece of luggage is integrated with a platform for the piece of luggage, a handle fastened to the piece of luggage, for pushing or pulling the piece of luggage, luggage wheels fastened to a first outer surface of the piece of luggage, for rolling the piece of luggage, and a release mechanism extending from the luggage unit to the platform, through the slit, for unlocking the platform, wherein the platform locks and unlocks such that the platform is free to be raised and lowered when it is unlocked, and is not free to be raised and lowered when it is locked.

Abstract: An apparatus for the movement of a barrel pack containing spooled wire or cable. The apparatus comprising a frame, a handle attached to the frame, a plurality of wheels rotatably attached to the frame, securing structures attached to the frame, the securing structures securing the barrel pack to the frame and a footage counting assembly attached to the handle. The footage counting assembly counts the amount of footage of wire or cable passing through the footage counting assembly.

Abstract: A motorcycle carrier with retractable wheels. The present example provides a motorcycle carrier with retractable wheels (carrier) is a structure that allows a motorcycle to be parked on it and secured safely, typically during shipping or storage. The carrier may include wheels that may be extended to aid in moving a motorcycle stored on the carrier. The wheels may be retracted when the motorcycle is no longer being moved. When secured the carrier may also function as a work stand.

Abstract: A multi-configuration apparatus includes a first frame assembly positionable in a first plane and wheels secured thereto such that it is moveable along a surface, a second frame assembly moveably secured to the first frame assembly, and a third frame assembly detachably secured to the second frame assembly. The second frame assembly is moveable between at least a first configuration to move the third frame assembly into a substantially coplanar relationship with the first plane, and a second configuration to move the third frame assembly in a raised configuration relative to the first frame assembly and in a second plane that is substantially parallel to the first plane. The apparatus further includes a support secured to the third frame assembly and wheels such that the third frame assembly is moveable along a surface when the third frame assembly is detached from the second frame assembly.

Abstract: The present invention is generally a load-bearing assembly that may be expanded so as to increase a surface area on which to support different sized loads. The load-bearing assembly may be constructed with multiple T-shaped frames or housings that register with each other forming a unique H-shaped frame design. The two T-shaped housings register with each other in a manner that facilitates the adjustment of the width of the load-bearing assembly. Extensions enclosed within each housing and extendable at terminal ends of each T-shaped housing extend outwardly from their respective terminal ends to adjust a length of the load-bearing assembly. The load-bearing assembly may be constructed of a light, sturdy metal alloy that is lightweight. Applications include moving inventory inside warehouses or moving furniture or appliances from one location to another.

Abstract: The disclosure relates to an apparatus for securely (and preferably reversibly) holding a container having a concave interior portion while a liner that abuts the concave interior portion 5 is removed from the container by peeling it therefrom. The apparatus includes a container holder having one or more holding surfaces, such as the interior of an orifice that extends through it. A holding surface (e.g., an O-ring or ridge) secures the container temporarily and reversibly, and prevents the container from disengaging from the container holder during peeling of the liner. An optional deflector can deflect a tab portion of the liner to facilitate its 10 removal from the container. After the liner is removed, the remaining portion of the container can be removed from the apparatus (e.g., and recycled).

Abstract: A pallet is provided for supporting cylinders. The pallet can have a convex spine extending substantially the length of the pallet in a longitudinal direction, having a backstop at a first end. The pallet has one or more trays attached transverse to the convex spine, each tray having longitudinal fluted indents to restrain a cylinder from rolling transverse, the longitudinal fluted indents are each arranged to accept a cylinder from above. The pallet has a left outrigger attached and extending transverse to the convex spine, the left outrigger stabilizing the pallet with respect to terrain, as well as a right outrigger attached and extending transverse to the convex spine, the right outrigger stabilizing the pallet with respect to terrain. The pallet can have a coupling extending from an end of the convex spine, wherein the coupling is arranged to take a crane hook in engagement to pull the pallet.

Abstract: A wheeled bag holder is described. In some examples, the wheeled bag holder can include a first curved frame member having a first end and a second end and a curved surface that substantially conforms to a circle's curvature, or at least a portion or a segment of the circle's curvature, and a second curved frame member having a first end and a second end and a curved surface that substantially conforms to a circle's curvature, or at least a portion or a segment of the circle's curvature. The wheeled bag holder can also include a first vertical frame member connected to the first curved frame member and the second curved frame member, a second vertical frame member connected to the first curved frame member and the second curved frame member, and a third vertical frame member connected to the first curved frame member and the second curved frame member.

Abstract: An apparatus for the movement of a barrel pack containing spooled wire or cable. The apparatus comprising a frame, a handle attached to the frame, a plurality of wheels rotatably attached to the frame, securing structures attached to the frame, the securing structures securing the barrel pack to the frame and a footage counting assembly attached to the handle. The footage counting assembly counts the amount of footage of wire or cable passing through the footage counting assembly.

Abstract: A material handling device is provided. The material handling device includes a bottom, a frame, a wall, an a plurality of wheels. The bottom includes an upper surface and a lower surface. The frame includes an upper surface and a lower surface. The wall surrounds the bottom and the frame, and includes an inner surface, an outer surface and an inner shelf attached to a lower portion of the inner surface. The inner surface includes an upper surface attached to a portion of the lower surface of the bottom, and a lower surface attached to a portion of the upper surface of the frame. Each wheel is attached to the lower surface of the frame.

Abstract: A folding type collapsible wagon comprises a frame assembly, a tow bar assembly and wheels, wherein the tow bar assembly is arranged in front of the frame assembly, and each side frame comprises coplanar X-shaped cross tube assemblies.

Abstract: A garbage cart assembly for includes a cart and a plurality of garbage containers that are positioned on the cart. The cart is selectively rolled along a support surface thereby facilitating the plurality of garbage containers to be transported along the support surface. A cage is coupled to the cart to inhibit the plurality of garbage containers from falling off of the cart. A dolly is provided and the dolly is selectively rolled along the support surface. The dolly is selectively and removably coupled to the cart thereby facilitating the cart to be urged along the support surface.

Abstract: An adjustable support for a speed bag includes a base and a telescoping support column. The column is pivotably connected to the base and movable between a folded position and a deployed upright position. The support further includes a cantilever arm having a first end pivotably connected to an upper column portion of the column, and a speed bag platform is secured adjacent a second end of the cantilever arm. The cantilever arm is movable between a first folded position and a second cantilever position. A platform locking mechanism releasably secures the cantilever arm in the second cantilever position, whereby the pivoting and telescoping column and the pivoting cantilever arm and speed bag platform allow the speed bag to be deployed and used at a plurality of heights and orientations.

Abstract: The autonomous garbage can cart is a remotely operated motorized cart that transports garbage receptacles. The autonomous garbage can cart comprises a platform that is formed with a cavity that is sized to receive garbage receptacles. The autonomous garbage can cart further comprises one or more adaptive inserts that are used to adjust the size of the cavity to match the size of the garbage receptacle. The autonomous garbage can cart further comprises a plurality of wheels driven by a plurality of motors that are controlled by a control module. In a potential embodiment of the disclosure, the remote control system is operated through a personal data device. The autonomous garbage can cart comprises a platform, a plurality of wheels, one or more drive motors, a one or more gearing systems, a control module and a battery.

Abstract: A scraper tractor stand may include a plurality of linear central support beams adapted to be positioned underneath the heavy-duty equipment. A portable first support section may be connected to a respective proximal end of each of the central support beams. The first support section has a first cross-beam registered along a first x-axis. The first cross-beam may be fixedly connected to the heavy-duty equipment. A portable second support section may be connected to a respective distal end of each of the central support beams. The second support section has a second cross-beam registered along a second x-axis. Each of the first and second cross-beams may be independently adjustable along mutually exclusive first and second y-axes respectively. The central support beams may further be coplanar and aligned along a horizontal plane oriented perpendicular to the first and second y-axes respectively.

Abstract: Embodiments of the invention relate to docking systems for poles or other devices that can hold medical and/or accessory equipment, typically in a clinical or hospital environment, and can include associated docking systems for various devices such as beds, wheelchairs, walkers, wagons, and the like.

Abstract: A bucket stand kit including a solid support ring configured to support a lower rim of a bucket with clamps and to hold a bottom end of the bucket by providing a support net, which is centrally disposed below the ring. Independently length-adjustable telescopic legs hingedly attached to the ring support the bucket secured within the support ring so that the bucket is level on both flat, even surfaces and uneven surfaces, such as roofs, stairs, or ramps. The legs are foldable for transport and storage. A non-slip foot and a caster wheel are alternately engageable to the distal end of each leg. In addition, a cushioned liner is continuously disposed along the entire inner portion of the ring to assist in ensuring that the bucket is secured within the support ring.

Abstract: The present invention generally relates to a keg trolley including a movable catch for catching hold under a lip of a keg. Preferably, the catch is movable so as to engage under different lips at various heights, when kegs are of different heights or placed on different types of pallets. In the preferred embodiment, the keg can be readily repositioned on a pallet by engaging the catch and moving the keg, without the need to actually touch the keg.

Abstract: A foldable stand includes two stand legs pivotally connected together. A positioning unit is set between the two stand legs and includes a first link pivotally connected to a second link, a locating plate mounted in the first link and a locking pin mounted in the second link. The foldable stand also includes a control unit having a first pedal mounted at the second link and pressable to move the first and second links toward each other into a folded position. In the folded position, the locking pin is forced into engagement with the locating plate. A second pedal is pivotally connected to the second link and pressable to pull the locking pin out of the locating plate for enabling the two stand legs to be biased from the folded position to an extended position.

Abstract: An infant care system includes an infant care tower configured to receive at least one medical device. A processor operates the infant care tower and the at least one medical device. A bassinet is configured to receive an infant patient within a microenvironment defined and maintained by the bassinet. Upon connection of the bassinet to the infant care tower, the processor operates to control both the infant care tower and the bassinet in maintain the microenvironment of the bassinet. In a method of treating an infant patient, an infant patient is provided in a microenvironment defined and maintained by a bassinet. The bassinet is communicatively connected to the care tower and a first processor of the infant care tower operates the bassinet to maintain the microenvironment to provide medical care to the infant patient with the at least one medical device of the infant care tower.

Abstract: A ceramic cooker support frame and transport device for holding, loading and unloading a ceramic cooker, smoker, or grill having a egg, cylindrical or spherical shape which includes a cooker holding pivotal frame with a freely swinging cooker basket and a detachable hand truck in order to maintain the cooker in an upright position during the loading and storage positions. The hand truck includes a frame with wheels and a locking handle to maintain the desired spacing between the support surface and the cooker supported by the elevated platform. The truck or dolly frame and locking handle are detachable from the cooker holding frame. The cooker frame and hand truck assembly are configured to be easily moved onto an elevated platform, for example, the bed of a truck or an elevated floor such as a raised patio or deck floor. The transport device facilitates cooking food for transport to a serving area.

Abstract: A cart assembly having a frame assembly, a telescoping handle assembly, and first and second wheels is provided. The telescoping handle assembly is slidably coupled to a first end portion of the frame assembly. The first and second wheels are rotatable coupled to a second end portion of the frame assembly. The cart assembly further includes a first bucket mounting plate that extends outwardly from the frame assembly. The first bucket mounting plate has an arcuate-shaped surface that abuts against a first portion of an outer surface of the bucket. The cart assembly further includes a first bolt that extends through a first aperture of the frame assembly, a first aperture in the first bucket mounting plate, and a first aperture in the bucket to the couple together the frame assembly, the first bucket mounting plate, and the bucket.

Abstract: A cart including a container that defines an interior space. The cart also includes a cover that is movable between an open position providing access to the interior space and a closed position inhibiting access to the interior space, and a latch that is located between the container and the cover to releasably hold the cover in the closed position. The cart further includes a hands-free mechanism that is coupled to the container and engaged with the cover to move the cover between the open position and the closed position. The hands-free mechanism is further coupled to the latch and operable to disengage the latch to permit movement of the cover to the open position.

Abstract: An apparatus to provide a specially designed assembly system for garbage and recycling containers having an effective means for joining trash receptacles to a wheeled carrier via a securement means so that they are not easily turned over by gusts of wind or animals. This device also provides a tethering mechanism between a container and a wheeled carrier so they remain joined if tipped during especially high gusts of wind or very aggressive animals.

Abstract: A heavy duty corner skate dolly is provided. The dolly frames includes a rectangular shaped plate with a L-shaped angle riser welded or permanently screwed to its top surface. The dolly plate's bottom surface includes a hole or a plurality of holes that are routed into the plates surfaces with a depth that is arrange to accept an industrial magnet or a plurality of industrial magnets that are partially incased in a metal plated finish and attached to the bottom surface of the plate by a fastening cap or a plurality of fastening caps that are pressed into or welded to the bottom surface. A plurality of stem fitted swivel caster wheels are mounted to the rectangular shaped plate by inserting each swivel caster wheel into its corresponding caster fastening holes at the frames bottom and bolting each swivel caster wheel at the frames top by a plurality of corresponding spring washers, lock washers, and hexagon shaped nuts.

Abstract: In a further embodiment, a method of controlling a base assembly can be provided. An actuation member can be pumped to deploy one or more wheels to lift a base assembly on said wheels. Further, a pin can be received in a holding portion on a semi-planar contoured surface in response to the pumping of the actuation member. The wheels can be held in a deployed position via the pin being held in the holding portion. Further pumping of the actuation member can separate the pin from the holding portion and retract the wheels from the deployed position.

Abstract: A ratchet assembly includes an elongated shaft, a gear housing, a ratcheting member, and an arm. The elongated shaft can have a gear and be supported by the gear housing to allow rotation about a primary axis of the shaft. The ratcheting member can mount in the housing and be biased toward the gear to engage with the gear hindering relative rotation about the shaft axis in a first direction and allowing rotation about the shaft axis in a second direction opposite the first direction. The ratcheting member can rotatably mount within the housing about a second axis. The arm can couple to the gear housing in a first configuration to provide torque to rotate the housing about the shaft axis in the first direction when the arm is pressed downward. The arm can also be coupled to the gear housing in a second configuration to rotate the housing about the shaft axis in a second direction opposite the first direction when the arm is pressed downward.

Abstract: The apparatus of this invention relates to a device for heating or cooking food or liquids such as soup, water, roast, etc. A downwardly curved visor-like deflector is selectively removably positioned outwardly of the upper end of the radiation disk of an infrared heater so as to extend outwardly therefrom. The deflector has an upwardly presented cooking utensil opening formed therein and a horizontally disposed cooking utensil support secured to the deflector at the inner surface thereof below the cooking utensil opening. The cooking utensil support dwells in a plane below the upper end of the radiation disk whereby infrared rays emitted from the radiation disk will impinge upon the cooking utensil support and a cooking utensil positioned on the cooking utensil support to cook or heat the contents thereof. Other accessories may also be attached to the heater such as a protective grill or a cooking basket.

Abstract: An outdoor umbrella includes an awning frame, a supporting shaft and an adjustable rotation base including a base housing and a transportation arrangement. The base housing is arranged to couple with the supporting shaft to support the awning frame in an upright manner, and includes a plurality of transferring wheels. The transportation arrangement is provided at the base housing to operate the base housing between an idle mode and a transportation mode, wherein in the idle mode, the transferring wheels are suspenedly lifted up to position above the bottom edge of the base housing such the base housing is sat on the ground surface in a stationary manner, wherein in the transportation mode, the base housing is lifted up by air pressure for allowing the transferring wheels to move out of the receiving cavity at a position below the bottom edge of the base housing.

Abstract: A leg-portion attachment structure (100) includes: a support member (110) having a substantially quadrilateral outer periphery and an upper surface on which an apparatus main body (1a) is mounted; two attachment plates (140) provided at two opposite sides on a lower surface of the support member (110). Each of the attachment plates (140) includes caster attachment portions (141) formed respectively on both end sides in a side direction so that casters (130) are firmly attached, first bent portions (142) formed by bending of outer edges in the side direction of the caster attachment portions (141) at predetermined angles, and first coupling portions (143) that are formed by further outward bending of edges of the first bent portions (142) and are firmly attached to the support member (110).

Abstract: A mobile base device for a sun umbrella including a base cover. A bearing support is arranged inside the base cover and is hinged with a main lifting arm via a stiffened plate mounted thereon. An outer end of the main lifting arm is screwed to a lifting screw mounted on the bearing support via a lifting screw sleeve and an inner end of the main lifting arm is fixedly coupled to a set of secondary lifting arms through joints. A central portion of the set of secondary lifting arms is hinged with a set of stiffened plates mounted on the bearing support and a lower portion of the outer end of the set of secondary lifting arms is fixedly coupled to a set of casters. Such structure has the advantages of easy movement and fixation as well as practicality and convenience.