Abstract: Example embodiments relate to apparatuses, systems, and methods for securing an offshore platform to a bottom of a body of water comprising a shear assembly and a sleeve assembly. The shear assembly is operable to secure to the offshore platform at a first end and having a first connector portion at a second end. The sleeve assembly comprises a sleeve body forming an interior opening, the interior opening operable to receive at least a pile. The sleeve assembly further comprises a second connector portion secured to the sleeve body, the second connector portion securable to and un-securable from the first connector portion of the shear assembly.

Abstract: A method for constructing a building structure using gravity and weight of the building structure is provided. The method includes designing an architecture and a construction plan of the building structure, planning an initial box for a structural design, tuning a ground required for construction of the building structure, constructing the initial box as per the planning, constructing an upper floor on the initial box, constructing remaining parts of the building structure including foundation for the building structure, and assembling a plurality of temporary structures to the building structure.

Abstract: The present invention relates to a support (20) for a prop (22). The prop (22) comprises a telescopic tube (26) and opposing transversely extending feet. The support (20) comprises a board (30) for contacting a support surface to transmit a supporting load thereto; a load bearing surface for receiving the supporting load from a prop (22); a bracket (32) coupled to the board (30), the bracket (32) arranged to support an end of the prop (22) at a load bearing position on the load bearing surface; and a guide for guiding the prop (22) to the load bearing position.

Abstract: A coated member is disclosed. The coated member has a member and a coating disposed on the member. The member is metallic and the member is bent at two or more locations along a length of the member. The coating is an elastomeric coating. The coated member is a soil reinforcing member.

Abstract: A shovel may include a lower travelling body, an upper swinging body mounted on the lower travelling body, an excavation attachment attached to the upper swinging body, an orientation detecting device configured to detect an orientation of the excavation attachment, and a controller. The controller may have a ground surface shape information obtaining part that obtains information relating to a current shape of an excavation target ground surface based on a transition of the orientation of the excavation attachment detected by the orientation detecting device, and an excavation controlling part that controls the excavation attachment based on the information relating to the current shape of the excavation target ground surface obtained by the ground surface shape information obtaining part.

Abstract: A shovel includes a boom; a rotating upper body that supports the boom; an engine mounted on the rotating upper body; a cab mounted on the rotating upper body; a rotating frame mounted on the rotating upper body; a fuel tank mounted on the rotating frame; a liquid reducer tank, placed near the fuel tank on the rotating frame, that stores liquid reducer; and a stair system, mounted on the rotating frame at an opposite side of the cab with respect to the boom, that includes a plurality of tread boards and a plurality of riser boards, wherein the liquid reducer tank is placed in a space formed under the stair system, and wherein one of the riser boards that faces a liquid inlet of the liquid reducer tank includes a door capable of being opened and closed.

Abstract: A touch sensitive tap includes a tap main body; a support pipe rotatably assembled to the tap main body and disposed with a touch sensing area for a user to touch; a conductive silicone ring sealingly connecting the tap main body and the support pipe and electrically connecting the tap main body and the support pipe to form an integral conductor therebetween; an outlet portion connected to the support pipe; a waterway at least connected from the tap main body to the support pipe and connected to the outlet portion; and an on-off control portion coupled to the waterway to control opening and closing of the waterway. The integral conductor acquires a touch signal from the touch sensing area and transmits the touch signal to the on-off control portion, and the on-off control portion controls opening and closing of the waterway after receiving the touch signal.

Abstract: The present invention provides an electronic plumbing fixture fitting with a sensor mounted on an electronic board, such as an electronic faucet with a sensor mounted on an electronic board.

Abstract: An assembly for controlling fluid flow between a fluid source and an outlet includes an electrically operable valve interposed between the fluid source and the outlet, the valve being actuatable between an open position and and a closed position; and an activator device comprising (i) a user-activatable sensor configured to detect a stimulus when the stimulus enters a detection zone, (ii) a transmitter configured to transmit a signal upon activation of the sensor by a user to a controller for actuating the valve, and (iii) an orientation detector configured to detect among at least two orientations of the activator device. When the activator device is in a first orientation, a zone of detection of the sensor may extend no farther than a predetermined distance from the sensor, and when the activator is in a second orientation, the zone of detection may extend farther than the predetermined distance from the sensor.

Abstract: The invention relates to a sanitary functional unit (2), which has a housing (6), which can be releasably fastened to the water outlet of a sanitary outlet fitting, the housing (6) having an outflow-side housing end face (9) with outflow openings (10). It is characterizing for the functional unit according to the invention that the outflow-side housing end face (9) has at least one slot (19), the opposing longitudinal sides (20) of which slot are designed as turning engagement surfaces or tool engagement surfaces for a turning tool that can be releasably inserted into the at least one slot (19) and is preferably formed as a coin (21), and that the housing (6) of the functional unit (2) is rotatably held on the water outlet of the outlet fitting and/or the housing end face is mounted rotatably in relation to the housing on said housing.

Abstract: A brace includes two or more spacers connected together using an interlocking mechanism, such as a press fit, an interference fit, a friction fit, a snap fastener, a projection-and-recess coupling system or a stud-and-tube coupling system, to provide a desired combined length. The brace may further include a U-shaped clip for attachment to a toilet tank or may use a plate with an adhesive layer for attachment to an object. The brace may also include a threaded stud and a nut coupled to a spacer for adjusting the combined length of the brace.

Abstract: A flush toilet apparatus includes: a toilet main body portion, a reservoir tank portion, a discharge valve apparatus including a valve body for opening and closing a discharge opening in the reservoir tank portion, and an automatic flush drive unit for driving the discharge valve apparatus portion to open and close the valve body; wherein the drive unit includes a drive unit main body portion including an actuator for electrically driving the discharge valve apparatus portion, and an elongated operating member for connecting a discharge valve apparatus portion and a drive unit main body portion and operating the opening and closing action of a valve body by driving an electrically powered drive portion; and wherein the toilet main body includes an attaching portion disposed on the back surface side thereof, to which the drive unit main body portion is attached.

Abstract: A drainage pipe fitting includes a cuff that permits the fitting to be coupled with pipes or fittings of various sizes. The cuff includes a plurality of sloped surfaces. For example, the cuff may include a first set of sloped surfaces and a second set of sloped surfaces on an interior of the cuff for receiving different-sized pipes or fittings on the interior of the cuff. The cuff may also include a third set of sloped surfaces, a fourth set of sloped surfaces, and a fifth set of sloped surfaces on an exterior of the cuff for receiving further pipes or fittings of different sizes on the exterior of the cuff. If desired, the cuff can include more or less sets of sloped surfaces. In some cases the sloped surfaces are arranged on internal and external fins of the cuff.

Abstract: A system and method for constructing a modular frame structure is provided. The system includes brackets to which structural members can be fastened to form a building frame. Each bracket has between three and six attachment elements positioned at right angles to an adjacent attachment element. A structural member, such as a beam or post, can be fastened to each attachment element to form a moment resisting connection. The brackets are manufactured in standard sizes and configurations so that a set of brackets can be used to construct a modular frame structure of a desired size and configuration.

Abstract: The present disclosure relates generally to systems for providing a durable water-resistant and fire-resistant foam-based seal in the joint between adjacent panels. An expansion joint seal, which may be fire-resistant and/or water-resistant, is provided which includes one or more foam members and a plurality of fire retardant members, which may be intumescent members, interspersed within the foam member or members to provide a spring recovery force and fire resistance.

Abstract: A structural assembly (20) providing both a surface (21) and an insulating stratum associated with the surface. The assembly (20) can comprise structural members (23-24) and pods (30) associated with the structural members (23-24). The pods (30) contribute to structural integrity, thermal insulation, and/or sound attenuation. The pods or pod-like material can be used in or on horizontal or vertical cavities, in or on horizontal or vertical surfaces, and/or incorporated into a structural assembly or equipment housing.

Abstract: A wall cladding system includes a vertical support, a horizontal support, and a panel. The panel has a peripheral edge that abuts a first side surface of the vertical support and a top surface of the horizontal support. In various examples, a portion of the vertical support overlaps a portion of the horizontal support.

Abstract: A building element includes an upper side, a lower side, at least one first lateral face, and at least one first end face, where the at least one lateral face is formed with a longitudinal lateral groove such that a longitudinal upper grove edge and a longitudinal lower groove edge are formed. The upper groove edge has a toothed shape. A building includes one or more load bearing elements, and a plurality of building elements connected to respective load bearing elements. A method of joining building elements and load bearing elements in a building includes providing the load bearing elements with a not-cast upper part, putting up the load bearing elements, arranging two or more double T building elements therewith, pulling the telescoping elements, and cast filling the joints between the building elements and the upper part of the load bearing elements such that a smooth surface is formed.

Abstract: Provided is a pregrouted PC steel material comprising a PC steel stranded wire composed of a plurality of steel wires, a pregrout layer disposed on the outer periphery of the PC steel stranded wire so as to accommodate the PC steel stranded wire, a sheath covering the outer periphery of the pregrout layer, and a capsule including a pregrout-hardening agent and a film with which the agent is covered, the capsule being interposed among the steel wires constituting the PC steel stranded wire. The capsule has a strength such that the capsule is not broken before tensioning the PC steel stranded wire but is broken by a tensile force during the tensioning. Also provided is a method for hardening the pregrout layer.

Abstract: The present disclosure includes roof shingle systems. One roof shingle system includes at least two shingles, a shingle clip, a drip edge, and a power collection unit. Each shingle has a semiconductive layer configured to deliver power, electrical current/voltage, and/or control signals to the power collection unit. The shingle clip continues a conductive path between the two shingles. The drip edge is at least partially insulated and partially conductive, and the conductive portion continues the path from the shingle semiconductive layer to the power unit where energy is collected. One method of installing a shingle system includes the steps of positioning a shingle having a transducer in the form of a semiconductive layer, and positioning a shingle clip to engage the semiconductive layer of the shingle.

Abstract: According to one embodiment, a roofing membrane laminate includes a first layer of an uncured ethylene propylene diene monomer rubber (EPDM) material and a second layer of a thermoplastic polyolefin (TPO) material coupled with the EPDM material. The EPDM material has a thickness of between about 50 mils and 70 mils and the TPO material has a thickness of between about 15 mils and 35 mils. The EPDM material and TPO material are coupled via crosslinking of the TPO and EPDM material at an interface thereof, whereby at least a top portion of the EPDM material is cured via the application of heat after the EPDM material and TPO material are placed into contact so as to effect crosslinking of the materials.

Abstract: The present invention provides an inverted roofing system and method that is more thermally efficient, inexpensive and quicker to install, better able to withstand environmental conditions, and produces the appearance and some functional benefits of a traditional natural green roof ballast top-layer. It does not require a sloped roof gradient, and is capable of a user controlled mass per square foot roof load. The inverted roofing system and method provides a ballast top-layer that is lightweight, and maintains properties that will prevent wind uplift.

Abstract: A peripheral sealing gland is configured to form a seal between an elongate member and a substantially flat surface having an aperture into which the elongate member extends. The sealing gland includes an at least partially frustoconical shaped skirt through which the elongate member is to pass and defining an upper seal structured to deform about and form a first seal to a periphery of the elongate member. The sealing gland includes a flange depending from a lower periphery of the skirt and having an endless lip seal, and a ring configured to bear on the flange so as to apply a pressure to the endless lip seal to form a second seal against the flat surface. The sealing gland includes a resealable split extending from the upper seal to a peripheral edge of the flange, and a compression clamp configured to close the resealable split, forming the first seal.

Abstract: A combination of elements to construct a threshold ramp construction includes tile elements each having a horizontal upper surface and ramp elements each having an upper surface including a sloped surface part and a horizontal surface part. The horizontal surface part adjoins the higher side of the sloped surface part. The tile elements and the ramp elements are configured to be arranged in superimposed layers to form the ramp construction, in which the superimposed layers include a lower layer and an upper layer, the upper layer supporting on the lower layer. In the ramp construction, the tile and/or ramp elements of the upper layer are arranged in a staggered position with respect to the tile and/or ramp elements of the lower layer.

Abstract: Interchangeable bracket flange systems can be designed to connect any type of bracket to any type of material, including wood, concrete, glass, steel, sheet rock, etc., using a wall, glass, or steel adaptor flange. The adaptor flanges, the brackets, and the interchangeable bracket flange systems as a whole can have a smooth look, with no exposed screws, when installed.

Abstract: A guard rail system that is assembled from a kit of components that includes bottom rails, top rails and balusters and U-shaped top rail inserts that fit into the underside of the top rails. The tops of the balusters are inserted through the spaced apart holes in the base of the insert. The top rail has a body and a pair of spaced apart legs extending downward from the body. After the system has been assembled the legs engage the uprights of the top rail insert to create a compression fit between the top rail insert and the tops of the balusters.

Abstract: A storage structure is provided in which an outside surface panel can be attached and removed regardless of where the storage structure is installed. The storage structure has a plurality of columns, an outside surface panel configured to be located between two mutually adjacent columns to form a part of an outer wall, and an outward-side pressing member and an inward-side pressing member each of which can be removably attached to a column. The outside surface panel has a width which is less than a distance between the two mutually adjacent columns. The outward-side pressing member and the inward-side pressing member cooperate with each other to assist in holding the outside surface panel from both sides.

Abstract: First and second mat sections are interlocked using a resilient closure strip. A layer of reinforced vinyl scrim is situated on the surface of each mat section. The closure includes two closure members each having an interengaging portion and a connecting portion. The connecting portion of one closure member is mounted on one mat section with the interengaging portion in a given orientation. The connecting portion of the other closure member is mounted on the other mat section with the interengaging portion thereof in an orientation opposite to that of the first interengaging portion with at least a portion thereof extending beyond the mat surface such that the interengaging portions align and can be interengaged by a downward force when the mat sections are situated in side-by-side relation. A coating of poly-vinyl paint is situated over each of the closure members and the reinforced vinyl scrim layer.

Abstract: A method for installing a finish trim molding on a wall, the method includes mounting a trim holding device on the wall, the trim holding device comprising a mounting bracket configured to mount in facing contact with the wall, the mounting bracket further comprising a pair of mounting flanges disposed on the mounting bracket, the pair of mounting flanges being substantially horizontal and extending perpendicularly outward away from the mounting bracket and the wall; and mounting the finish trim molding onto the trim holding device, the finish trim molding defining a pair of channels, the pair of channels being substantially horizontal and defined perpendicular to a vertical rear surface of the finish trim molding, the pair of channels configured to receive the pair of mounting flanges.

Abstract: A backing device useful in repairing a hole. In some embodiments, the hole is in a wall, for example a relatively large hole in a wall (e.g., vertical wall, ceiling, etc.) of, for example, a home or building structure. The backing device includes a collapsible backing member and adhesive strips. The backing member defines a front face opposite a rear face, and includes first and second panels connected at a hinge segment. The adhesive strips are disposed on the front face. The backing member is foldable from a flat state to a collapsed state for insertion through the wall hole. Once deployed “behind” the wall, the backing member is transitioned to the flat state, and the adhesive strips utilized to secure the backing device to a back surface of the wall. In some embodiments, the backing device, while in the flat state, is relatively rigid in one direction and collapsible in the opposite direction.

Abstract: A coupler comprises a first channel having a first axis of extension in a first horizontal direction and a second channel having a second axis of extension in the first horizontal direction. The second axis of extension is parallel to and spaced apart from the first axis of extension in a second horizontal direction. The second axis of extension has a pitch angle relative to the first axis of extension in a vertical direction, the pitch angle being less than 180 degrees. The first and second channels each include head-mounting features, the head-mounting features constructed and arranged to retain an elongated head to the coupler while permitting movement of the elongated head relative to the coupler in the first horizontal direction.

Abstract: A wave park includes a body of water, and a track positioned in or proximate the body of water. The wave park further includes at least one foil coupled to move along the track, the foil being at least partially submerged in the body of water. Each foil has a curvilinear cross-sectional geometry that includes a leading surface that is concave about a vertical axis to provide drag to generate a primary wave laterally in water of the body of water that contacts the leading surface of the foil, and a trailing surface that narrows from a maximum width of the foil adjacent the leading surface to a point at an end of the foil, the trailing surface to decrease the drag of the foil and to minimize oscillatory waves that trail the primary wave from the water moving past the leading surface of the foil.

Abstract: A water conditioning composition includes water; at least one gluconate compound; at least one carbonate compound; a non-ionic preservative; and a phosphate buffer. For example, the composition can include 87-95 wt. % water; 0.5 to 1.5 wt. % gluconate compound; 3 to 8 wt. % carbonate compound; 0.5 to 1.5 wt. % non-ionic preservative; and 0.5 to 2.5 wt. % phosphate buffer.

Abstract: An apparatus for repairing a fluid leak, thru a crack within the body of a pool return fitting, or in a pipe of close proximity to a pool return fitting, wherein an apparatus comprising of a cylindrical flow-thru elongated rubber plug, wherein a tube thru the center of the rubber plug is retained at one end by a flare in said tube or a locking nut over a uniquely shaped washer, and threaded on the other end, secured by a locking nut over a unique washer. in its compressed state, the rubber plug radially expands within the return line pipe and against a rubber extension ring inserted into the pool return fitting, sealing any leak occurring between the pool return fitting escutcheon and the return line pipe, wherein fluid may still pass thru the center tube. A trim ring is fitted around the locking nut of the threaded end tube, secured in place by a return eyeball, wherein the return eyeball is threaded female internally.

Abstract: A weighting system for a swimming pool step assembly includes a pair of weights, a removable cap for each of the weights, and means for removably mounting the weights to the exterior sides of a swimming pool step assembly. The weighting system described herein is easily installed and removed by the user without having to remove the weights from underneath the pool step assembly.

Abstract: A three part foundation system for supporting a building is described. Three part foundation systems can include a containment vessel, which constrains a buffer medium to an area above the containment vessel, and a construction platform. A building can be built on the construction platform. In a particular embodiment, during operation, the construction platform and structures built on the construction platform can float on the buffer medium. In an earthquake, a construction platform floating on a buffer medium may experience greatly reduced shear forces. In a flood, a construction platform floating on a buffer medium can be configured to rise as water levels rise to limit flood damage.

Abstract: A building wall includes a first shear wall panel having a horizontal bottom edge and a right vertical edge, a horizontal base support located under the horizontal bottom edge of the first shear wall panel, and a first tie-down that couples the first shear wall panel to the base support at a central point along the horizontal bottom edge of the first shear wall panel such that the shear wall panel rocks under horizontal forces. The wall further includes a second shear wall panel in plane with and adjacent to the first shear wall panel, the second shear wall panel having a horizontal bottom edge and a left vertical edge. The horizontal base support further is located under the horizontal bottom edge of the second shear wall panel, and a second tie-down couples the second shear wall panel to the base support at a central point along the horizontal bottom edge of the second shear wall panel such that the second shear wall panel rocks under horizontal forces.

Abstract: A buoying system includes an anchor, a plurality of vertical supports, a plurality of support mounts, and at least one floatation device. The anchor is affixed to the ground, and the plurality of vertical supports are affixed to the anchor. The anchor may comprise a plurality of anchors. The plurality of support mounts is affixed to the housing structure and are constrained laterally by the plurality of vertical supports. The floatation device is configured to elevate the housing structure above the ground in response to water reaching a predetermined lever as a result of a flood event.

Abstract: The disclosed technology includes utility pole repair plates for repairing a pole, such as a utility pole. One or more utility pole repair plates may be attached to a utility pole in an interconnected fashion to cover a portion or the entire circumference of a utility pole. A utility pole repair plate may include multiple substantially planar interconnected plate segments disposed at angles designed to accommodate a particular pole geometry.

Abstract: The invention introduces a connection system for connecting a shaft of a wind tower to a support surface, by means of a shaft, a foundation cage and a plurality of pairs of tendons wherein each tendon has a lower anchoring adapted for the placement thereof inside the foundation, an upper anchoring, at least one strand with a first end and a second end, the strand extending from the upper anchoring to the lower anchoring, a pair of sleeves for each strand, a sleeve fixed to the upper anchoring and a sleeve fixed to the lower anchoring, each sleeve housing a segment of the strand. Additionally, the system introduces a method for connecting a shaft of a wind tower to a support surface.

Abstract: The present invention relates to fabric structures and methods for erecting same. The structure of the invention includes two telescoping apex legs, two generally vertical base legs having a base adapted to resist upward force on the base leg, four roof beams and a fabric roof membrane connected to each of the roof beams along a substantial portion of its periphery. A moment is applied tending to bow the roof beams upward and outward and the roof membrane is held under tension counter to said moment when the apex legs are telescopically raised relative to the base legs and the apex and base legs are positioned vertically. The invention provides a structure with a hyperbolic trapezoid roof made from modular components that are readily transported and assembled.

Abstract: A locking system includes a lockcase which can be embedded within a recess in a jamb of a doorway. A barn door mounted outside of the doorway can be locked in the closed position by actuation of a lock mechanism within the lockcase. The handle interacts with the lockcase, causing a bolt to be translated out of the lockcase and into a strike in the barn door. The strike preferably passes entirely through the barn door, the strike including an outer entry which can be accessed via a key to push back the bolt and defeat the lock for emergency access. Cover plates and handles of different types can be provided for optimal performance. Lock mechanisms within the lockcase convert handle actuation into bolt translation between a collapsed orientation and a deployed orientation for locking the barn door.

Abstract: An example system includes a deadbolt assembly including a housing, a traveler positioned in the housing, and a bolt including a ramp arm engaged with the traveler. The housing may include a first deadlocking component, and the traveler may include a second deadlocking component. The bolt is movable between a distal extended position and a proximal retracted position. When the bolt is pushed in the distal direction by an external force, the ramp arm urges the traveler in a lateral direction, and the first and second deadlocking components engage, deadlocking the bolt.

Abstract: The restroom stall occupancy indicator system includes a latch coupled to a stall door and movable between a locked position and an unlocked position. A sensor is responsive to selected positioning of the latch and communications the position information to a transmitter. The transmitter then relays the position information to a receiver coupled to an indicator. The indicator, in turn, is responsive to the received position information to provide a first visual identification when the latch is in the unlocked position and a second visual identification when the latch is in the locked position.

Abstract: A lockable latching device includes a body defining a cavity therein and having a central longitudinal axis, and a plunger disposed within the cavity. The plunger has a first end and a second end and is translatable with respect to the body along the axis between an open position and a closed position. The device also includes an annular rotator spaced apart from the body along the axis and configured for rotating the plunger about the axis. The device includes an annular latch abutting the rotator that is transitionable between an unlocked state and a locked state. The device also includes an element attached to the latch and formed from a shape memory alloy that is transitionable between an austenite crystallographic phase and a martensite crystallographic phase in response to an activation signal to thereby transition the latch from the locked state to the unlocked state.

Abstract: An active glove box bolster system for an automotive vehicle comprises an instrument panel housing defining a door space. A glove box door comprises a longitudinally-movable latch rod having a sloped end. A striker is provided on the housing for receiving the latch rod in a pocket between a front wall and a rear wall. The front wall slidably engages the sloped end during closing of the door to retract the latch rod until it enters the pocket. The latch rod includes a first interlock element adjacent to the sloped end, and the rear wall includes a second interlock element aligned with the first interlock element. The interlock elements engage to resist movement in response to a force against the door in a direction to push the door through the door space.

Abstract: An enclosure is provided which meets NEMA standards of construction but with an improved latch assembly including a latch coupled to opposed latch arms which permits closure and locking of the front panel of the enclosure without the use of a key to operate the latch.

Abstract: An anchor mount system for anchoring a free end of a ribbon coil spring to a guide track of a window. The ribbon coil spring has an opening formed through its structure at a first distance from the free end. The anchor mount has a body with a first section and a second section. A first tab and a second tab protrude from the second section of the body. The second tab is angled toward said first tab at an inclined angle. A second distance exists between the first tab and the second tab. This second distance is generally equal to the first distance along the ribbon coil spring. This enables the end of the ribbon coil spring to become entrapped between the tabs when engaged with the tabs and manipulated in a certain manner.

Abstract: A refrigerator of this embodiment includes a housing that includes a storeroom, a door that is rotatably provided in the housing through a hinge portion and opens or closes an opening of the storeroom by the rotation, a connection line that is led out to the vicinity of the hinge portion, and a wireless communication apparatus that includes a wireless communication unit and is connected to the connection line.

Abstract: Hinge device (1) with long reciprocating stroke of a front panel (P) and having a first member (3) assigned to be fixed to an appliance (A) and a second member (5) assigned to be fixed to a door (D) of the appliance; the second member is pivoted to the first member by means of a hinge pin (7). A connection means (9) is assigned to be fixed to the front panel for actuating the translation thereof along the door during the rotation of the latter between its extreme closing (C) and opening (O) conditions. The hinge device includes kinematic means (11) having one end movable in the first member and an opposite end provided with a ring gear (13) centrally and rotatably pivoted to the second member or to an element fixed thereto, by means of a respective first pivot pin (15).