Abstract: A concrete wall forming system including interconnected mold units that include a top surface containing a first portion bond beam form, a first top ledge, a first top lip seal portion, a second top ledge, and a second top lip seal portion; a bottom surface containing a second portion bond beam form, a first bottom ledge, a first bottom lip seal portion, a second bottom ledge, and a second bottom lip seal portion; and two or more column forms extending from the top depression to the bottom depression. The first top lip seal portion and first bottom lip seal portion and second top lip seal portion and second bottom lip seal portion are adapted to form a seal between two mold units such that the bond beam form portions are combined to form a bond beam form. The system can be used to form an insulated concrete wall.

Abstract: A plastic stay-in-place concrete forming system used for one or more sides of a multi-sided form and is based upon a form panel comprised of a thin plastic sheet reinforced on its interior side and capable of bonding to the concrete cast inside the form to create a solid composite structure. In one configuration the form panels are connected to internal bracing that connects to a second form side. The internal bracing is comprised of plastic connecting frames, lateral supports or individual connectors that may further reinforce the form panels or may be used solely for connecting purposes. The second side form may be any type of form including the form panel or a stud supporting foam board. The form panel may also be shaped to form two or more sides of an internally braced, multi-sided form. It may also be externally braced on one or more sides of a form.

Abstract: The present document describes a key for releasably connecting members, furniture and door assembly kits comprising keys, and members having mating connectors along their ends for releasably connecting said members through their mating connectors.

Abstract: A prefabricated cladding assembly (1) for mounting to the outside of buildings (10), said system comprising a cladding panel (2) having a mounting bracket (3) bonded thereto.

Abstract: A wall construction block includes a front surface, a back surface, an upper surface, a lower surface, and a plurality of webs extending between the front and rear surfaces to define at least one void. The front surface and back surface have first vertical ends and second vertical ends opposite the first vertical ends. The wall construction block further includes structures on the first vertical ends defining an interior protrusion and a shoulder, and structures on the second vertical ends defining an outer protrusion and a recess. The interior protrusions of the first vertical ends are adapted to interfit with the recesses on the second vertical ends of an adjacent wall construction block, and a channel is defined that extends in a height direction and is adapted to channel a fluid.

Abstract: The present apparatus and method relates in general to sealing a hole in a floor with a precast plug. A precast plug is created by pouring a wet aggregate mix into a form mold and thereafter inserting a pre bent rod into the uncured mixture, positioning it such that the center of the rod rests in the center of the form mold and the ends of the rod extend outward near the top of the form mold. The mix is then cured. The precast plug may then be transported to the hole that it is destined to fix. Grooves may be carved on either side of the hole to accommodate the rod's ends. The interior of the hole and the exterior of the plug may then be covered with a sealant, after which the plug may be inserted into the hole. Once the sealant cures, the hole is fully repaired.

Abstract: A quick assembly and disassembly modular wall enclosure which comprises essentially a plurality of wall panel assemblies and interconnecting attachment hardware built into each of said wall panel assemblies. The attachment hardware is configured to interconnect the panel assemblies without the use of any additional, separately provided connecting elements and is further configured to enable erecting a surrounding wall structure that defines a fully surrounded interior space within.

Abstract: A clip for attaching and supporting wall panels to a building (such as for an exterior building envelope), a wall panel system, and systems and methods for supporting wall panels is provided. The clip includes a main body portion, a first extension portion, a second extension portion, and a face portion. The clip is used with a system of interlocking vapor barrier wall panels to support the wall panels and affix them to a building frame without compromising the vapor barrier. Exterior façade panels can also be affixed to the clip and building frame without compromising the vapor barrier.

Abstract: A building block (100) comprises a first mating portion and a second mating portion which are complementary. The first mating portion comprises a mating protrusion (140) which defines an axially extending through bore (144) and the second mating portion comprises an axially extending mating receptacle (180) which is complementary to the mating protrusion (140). The mating protrusion (140) and the mating receptacle (180) are in communication via the through bore (144), and a fastener anchoring device (146) adapted for engaging with an engagement means (920) of a fastener (900) is formed inside the through bore (144). The through bore (144) is adapted to permit axial insertion of the engagement means (920) of the fastener (900) into the mating protrusion (140).

Abstract: In a concrete structure, consisting of at least two upright precast concrete elements (1, 1?), it is intended to develop the butt joints between the precast concrete elements in such a way that forces can be absorbed better in at least two directions. For this purpose, it is proposed that at least two tongue-and-groove connections (4, 9; 5, 10) are provided in the region of at least one butt joint (2, 2?) between the precast concrete elements (1, 1?), wherein one of the tongue-and-groove connections (4, 9) is arranged such that it is turned with respect to the second tongue-and-groove connection (5, 10) in a range between about 1° and about 179°, and wherein the butt joint (2, 2?) is of an offset form, and the tongue-and-groove connections (4, 9; 5, 10) are provided in the regions of the offset that run substantially parallel to the surface (3) of the precast concrete elements (1).

Abstract: A wall construction system includes a first plurality of leveling blocks arranged in a first course and a second plurality of field blocks arranged in a second course atop the first course. Each leveling block has a leveling plate that engages a lower surface of the leveling block and includes a bore for receiving a threaded bolt having a contact surface. The threaded bolt is adapted to be threaded to a desired position relative to the leveling plate to permit the contact surface to be positioned at a desired vertical position relative to the lower surface of the block such that the upper surface of the block is disposed substantially in a particular orientation when the block is placed on a surface. Each field block includes a lower surface that interfits with the upper surface of at least one of the leveling blocks.

Abstract: Disclosed herein is a mechanical coupling arrangement for a lattice support beam having a longitudinal direction and a transverse direction, said mechanical coupling arrangement comprising at least a first chord member, a first diagonal member, and a connector element for joining said first chord member with said first diagonal member, wherein each of said first chord member, said first diagonal member, and said connector element is made of extruded aluminum profile, said connector element comprising at least a first attachment portion having a first contact surface in contact with said first chord member, and a second attachment portion having a second contact surface in contact with an abutment surface of said first diagonal member.

Abstract: Disclosed is a truss, having an upper and lower chord member each extending in generally the same longitudinal direction and in spaced apart relation. The truss also includes a plurality of web members each with a first and second end, the web members including a crimped portion at the first and second end with openings, wherein the first and second ends and openings of adjacent web members overlap. A lower chord fastening system extends through the lower chord and through the overlapping openings in the first ends of adjacent web members. An upper chord fastening system extends through the upper chord and through the overlapping openings in the second ends of two adjacent web members. The upper and lower chord fastening system further includes a saddle member extending over the web-chord junction and secured to the chords to provide additional strength to select connections at opposing ends of the truss.

Abstract: A method of inserting material into a hole formed through a building structure includes inserting a cover assembly into the hole formed through the building structure, moving at least a portion of the cover assembly from an insertion position to a deployed position, and inserting material into the hole with the cover assembly in the deployed position. An apparatus for filling a hole formed between first and second sides of a building structure includes a cover assembly insertable into the hole from the first side of the building structure, a connector configured to be positioned on the first side of the building structure, and a fastening mechanism configured to secure the cover assembly relative to the connector.

Abstract: A shim for providing extra space between a garage door track and a garage door wall. The shim may be mounted in between the garage door wall and a track bracket that supports the garage door track. The shim may be inserted prior to mounting the garage door track or after mounting the garage door track. The shim may include a screw guide slot so that a screw may secure the bracket and the shim to the garage wall.

Abstract: A support block for supporting objects on a roof is a moulded elastomeric block with a substantially hollow core. The support block can be used as is or in a system whereby a galvanized steel channel is secured to the top wall of the block accommodating the mating of a variety of clamps. In some embodiments, the block is elongate and generally flat and supports a roof mounted object thereon when two or more blocks are supported parallel and spaced apart from one another with the object spanning between the blocks.

Abstract: An automatic product packing machine having: a conveying device which feeds a product for packing along a packing path, which originates at a first feed station and extends through a second feed station and at least one work station; an electric machine motor which drives at least part of the conveying device to move the conveying device; a manual control operated manually by an operator; and a control unit which controls operation of the electric machine motor according to the position of the manual control; and a portable device, which can be gripped and moved about freely by an operator, and supports the manual control.

Abstract: A film clamping and cutting device of stretch wrapping machines is revealed. A film clamping and cutting unit and a drag set used as an auxiliary are disposed on a turntable. The drag set includes a rotatable block which is connected to an assembly wheel of the film clamping and cutting unit. The rotatable block is connected to a shaft clipped in a clip space formed between a drag plate and a clip. An elastic body is assembled between the drag plate and the clip. By means of the drag plate, the clip and the elastic body, the shaft connected to the rotatable block is not released from the clip space until a film clamping and cutting rod and a clamp reach certain positions. Thus a connection rod disposed on the rotatable block drives the clamp to clip film timely so as to clamp and cut the film precisely.

Abstract: A method for labelling packages comprising a feed unit for transporting a package, a printing device for printing a label detachably affixed to a carrier strip and an application unit for applying the printed label to the underside of the package. The printing device is arranged laterally outside the feed unit which comprises a label dispensing unit for dispensing the printed label with a directional component in a direction contrary to the package transport direction. The application unit comprises a manipulator means for the label, which moves along an axis extending transversely to the transport direction. The label, detached from the carrier strip, can be transferred onto the feed unit laterally outside the same in a first axial position of the manipulator means and can be brought close to the package, and can be applied onto the underside of the package in a second axial position of the manipulator means.

Abstract: A plastic container comprises an upper portion including a finish defining an opening into the container, a lower portion including a base defining a standing surface, a sidewall extending between the upper portion and the lower portion, the sidewall defining a longitudinal axis, and at least one substantially transversely-oriented pressure panel located in the lower portion. The pressure panel is movable between an outwardly-inclined position and an inwardly-inclined position to compensate for a change of pressure inside the container. The standing surface defines a standing plane, and the entire pressure panel is located between the standing plane and the upper portion of the container when the pressure panel is in the outwardly-inclined position.

Abstract: A packaging carton for a food product is disclosed, where the carton includes a front face, a back face, two side faces, a top face and a bottom face, where these faces define an interior storage cavity, at least the back face of the packaging carton includes a perforation defining an opening flap and the opening flap may be permanently removed by separating the opening flap from a face or faces of the carton along the perforation to define an access opening that allows access to the interior storage cavity. A method of making a packaging carton for a food product is also disclosed.

Abstract: A welding device for the sealing welding of thermopolastic hoses (184), includes a clamping device (12) with at least two clamping jaws (122, 124), of which at least one is movable and between which a hose (184) which is to be welded can be clamped, wherein the clamping device (12) has a heating devices (38; 40; 64) which is coupled to a control unit (30) and is configured to heat the hose clamped between the clamping jaws (122, 124). The invention is distinguished in that the at least one movable clamping jaw (122) is actuable with a controllable, bidirectional actuator (32, 34; 42-52; 54, 56, 58) which is coupled to the control unit (30) in such a manner that the clamping pressure acting on the hose (184) can be adjusted independently of the heating device.

Abstract: A system, method, and apparatus for picking-an-putting product are disclosed. Within a logistics and product fulfillment environment, such as in a warehouse or distribution center environment, for example, a picking zone is established having picking bays arranged in framed rows with each picking bay having pick module associated therewith. Multiple cartons are indexed into a carton train and an operator is directed to pick-by-light and put-by-voice. More particularly, the operator is directed to a pick by the light display informing the operator which products to pick. Within each pick, a voice indication directs the operator to one or more puts by directing the operator to select a number of product and corresponding carton from the picking bay associated with the pick.

Abstract: The present invention relates to a vessel for containing and storing a sample and subsequent easy access to individual specimens of the sample, in particular specimens of biological samples. One embodiment discloses a breakable multi-specimen storage vessel comprising a container comprising a lower end and an upper end, at least one end having an open end, the length of said container being continuously formed and provided with break portions at predetermined positions alongside thereof where said container is adapted to be broken into a plurality of specimens, each specimen having a first end provided with at least a part of a first fastening mechanism and a second end provided with at least a part of a second fastening mechanism, wherein the configuration of the first fastening mechanism is different from the configuration of the second fastening mechanism. The breakable storage vessel according to the present invention may be applied within cryogenic storage applications.

Abstract: A capping system and method of use for sealing injectable drugs within vials is disclosed. The system includes a closure assembly and a locking cap. The closure assembly includes a retainer member and a resilient stopper located within the retainer member. The retainer member is arranged to be disposed on the vial whereupon a gap results between the stopper and the vial. The retainer member is movable to close that gap. The locking cap is used to permanently seal the vial.

Abstract: A standing tree branch compression ring is adapted to be vertically raised about the trunk of the tree by lifting means. As the ring is lifted it forceably moves the tree branches inward. A plastic ring liner is removably affixed to the outer surface of the ring to reduce its coefficient of friction to mitigate tree branch damage. The ring is polygonal and includes a fully releasable segment to accept the tree trunk from the side. The segment is then reaffixed by a mating tongue and slot joint at one end a latch at the other end before it is raised.

Abstract: An adjustable horse bit that acts as a snaffle bit (direct-pressure) under normal circumstances and transforms into an elevator bit (leverage bit) when a threshold force is applied to a hingedly attached lever section of the horse bit cheek piece. Absent the threshold force, a retracting means acts on the lever section to transform the elevator bit back to a snaffle bit.

Abstract: A phase separation apparatus is provided for separating a two-phase fluid flow into a liquid phase portion and a vapor phase portion. The phase separation apparatus may be applied to the separation of a two-phase refrigerant flow in a refrigerant vapor compression system operating in a transcritical cycle.

Abstract: An enhanced vane bundle design that provides additional inlet chord area. An enhanced vane bundle for use in separator vessels includes top and bottom convexly-curved outlet baffles that extend horizontally from the outlet-side of the vane pack, the outlet baffles including a plurality of corresponding holes. The enhanced vane bundle further includes curved plates affixed to the convexly-curved outlet baffles, the curved plates and the convexly-curved outlet baffles define vertical pockets that extend vertically through an entirety of an outlet chord area on an outlet side of the enhanced vane bundle. The enhanced vane bundle further includes a plurality of tubes connecting the corresponding holes of the outlet baffles and extending vertically through the entirety of the outlet chord area.

Abstract: An air filtration system including a pre-filtration unit having a filter section and a spacer section attached to the filter section and extending downstream from the filter section, a pre-filter attachment device having a pre-filter securing section and a first plurality of coupling members, and a filtration unit. The filter section includes a pre-filter. The spacer section includes an at least partially open end located on a downstream side of the spacer section to expose a downstream face of the pre-filter. The filtration unit includes a filter frame, an upper section thereof including an upstream-facing surface having a plurality of openings, a filter secured inside the lower section of filter frame, and a second plurality of coupling members located on the filter frame and coupleable with the first plurality of coupling members of the pre-filter attachment device to removeably secure the pre-filtration unit to the filtration unit.

Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge comprising strips of media arranged in a stacked configuration. The strips of media each comprise a corrugated sheet secured to a facing sheet. A preferred filter cartridge positioned within the air cleaner arrangement, is depicted.

Abstract: A reel mower has a double A arm suspension that lowers a reel cutting unit into a cutting position in a tail down orientation and that levels the reel cutting unit out as it lifts the reel cutting unit into a transport position. The reel cutting unit yaws during turns about a substantially vertical axis having a negative caster angle. The suspension has clamps that can be flipped open or closed to quickly attach or detach the reel cutting unit. A drive motor can be quickly attached or detached to the reel cutting unit using a pivotal wire form. An active counterbalance system automatically offsets the increasing weight of a grass basket on the reel cutting unit to maintain quality of cut. The grass basket maintains a constant spacing relative to the reel cutting unit when the reel cutting unit pitches to improve clipping collection.

Abstract: A baler for agricultural material including a reciprocating plunger that compresses crop material in a channel into flakes which are stacked to provide a bale length of the desired size. The baler is towed from and powered by a steerable tractor having an operator display. The channel receiving the plunger has right and left walls which support star wheels having points projecting into the channel for the flakes and bale. The relative movement of the bale from right to left is determined and indicated to the operator of the vehicle to steer right, left or straight to ensure that bales have thickness that is uniform across their width.

Abstract: A lawn mower may include a main body having first right and left wheels, a mowing blade attached to the main body and configured to be rotated by a power source, and at least one mowing width indicator. The mowing blade is configured such that a mowing width thereof is greater than a distance between inner end surfaces of the first right and left wheels. The at least one mowing width indicator is formed in the first right and left wheels.

Abstract: A haymaking machine, or a windrower, including a support structure including a main beam on which is articulated at least one lateral arm supporting at least one windrowing rotor. The rotor is connected to a support device forming an interface with a support mounted on the lateral arm. The support device makes it possible for the rotor to displace to follow movements of the terrain when the machine is in operation and is in a work position. The support device includes an adjustment system allowing to limit movements of the rotor in the work position and to block movements of the rotor in other positions, and the adjustment system allowing to limit the movements of the rotor includes a control including a hydraulic jack.

Abstract: An on-board Flex-Fuel H2 Generator provides devices and the methods of operating these devices to produce H2 and CO from hydrocarbons and bio-fuels. One or more parallel autothermal reformers are used to convert the fuels into H2 over the Pt group metal catalysts without external heat and power. The produced reformate is then cooled and the dry gas is compressed and stored in vessels at a pressure between 1 to 100 atmospheres. For this system, the pressure of the storage vessels and the flow control curves are used directly to control the amount of the reformers' reformate output. To improve thermal efficiency of a mobile vehicle or a distributed power generator, portion of the reformate from the storage vessels is used to mix with the primary fuels and air as part of a lean burn fuel mixture for the engine/gas turbine.

Abstract: A gas turbine system having a plasma actuator flow control arrangement including a compressor section for compressing an airstream, wherein the compressor section includes at least one inlet guide vane for controlling the airstream proximate an inlet portion of the compressor section. Also included is a turbine inlet assembly for ingesting the airstream to be routed to the compressor section. Further included is a plasma actuator disposed within at least one of the inlet portion of the compressor section and the turbine inlet assembly for controllably producing an electric field to manipulate a portion of the airstream.

Abstract: A combined cycle power plant includes a CO2 capture system operatively integrated with a liquefied natural gas LNG regasification system, where cold energy from the regasification process is used for cooling processes within the CO2 capture system or processes associated with it. These cooling systems include systems for cooling lean or rich absorption solutions for the CO2 capture or the cooling of flue gas. The LNG regasification system is arranged in one or more heat exchange stages having and one or more cold storage units. The power plant with CO2 capture can be operated at improved overall efficiencies.

Abstract: An aircraft nacelle having a fixed structure fixed relative to an aircraft pylon, a translating thrust reverser sleeve translatable aftward, relative to the fixed structure, and a translating variable area fan nozzle (VAFN) panel translatable aftward, relative to the translating thrust reverser sleeve. The nacelle may also include a VAFN actuator mounted on the translating thrust reverser sleeve and a VAFN drive unit attached to the fixed structure. The VAFN drive unit may be coupled to drive the VAFN actuator via first and second coupling components when the translating thrust reverser sleeve is stowed. When the translating thrust reverser sleeve is deployed, the first and second coupling components may decouple, disconnecting the VAFN drive unit from the VAFN actuator.

Abstract: An exhaust treatment system for an engine includes a regeneration device being in receipt of exhaust from the engine and positioned upstream of a diesel particulate filter. A compressor provides a source of compressed air. An air/fuel nozzle is coupled to the regeneration device, in receipt of a fuel supply as well as the compressed air. The fuel and compressed air are forced through an orifice of the nozzle to atomize the fuel. A bypass line provides compressed air from the compressor to the regeneration device without passing through the orifice of the nozzle. A valve is operable to allow compressed air to flow through the bypass line when a predetermined condition exists.

Abstract: An internal combustion engine includes a particulate filter that is configured to treat exhaust gas. A method for monitoring the particulate filter includes employing a soot sensor to monitor the exhaust gas downstream of the particulate filter. A fault is detected in the particulate filter when accumulated soot mass indicated by the soot sensor exceeds a soot mass threshold over a course of engine operation between a first regeneration event and a second regeneration event of the particulate filter. A control module associated with operation of the internal combustion engine is notified of the fault.

Abstract: A method for controlling an engine having an exhaust gas heat exchanger includes measuring air mass flow, engine coolant temperature (ECT), exhaust gas temperature (EGT), heat exchanger coolant temperature (HECT), and engine speed; and operating a valve to selectively provide exhaust gas flow through the exhaust gas heat exchanger based on air mass flow, ECT, EGT, HECT, and engine speed. A vehicle has an engine and an exhaust heat recovery system with an exhaust gas heat exchanger and a valve configured to control exhaust gas flow. A controller for the vehicle is configured to (i) measure air mass flow, ECT, EGT, HECT, and engine speed, and (ii) operate the valve to selectively provide exhaust gas flow through the exhaust gas heat exchanger based on air mass flow, ECT, EGT, HECT, and engine speed.

Abstract: Embodiments for controlling exhaust oxygen concentration are provided. In one example, an engine method comprises operating the engine with lean combustion, and when exhaust oxygen concentration is below a threshold, injecting air into an exhaust passage between a first emission control device and an SCR device. In this way, excess emissions may be converted while operating with lean combustion.

Abstract: Systems and methods are provided for managing low temperature NOx and HC emissions, such as during a cold start of an internal combustion engine. The systems and methods include storing NOx and HC emissions at low temperatures and passively releasing these emissions as the temperature of the exhaust system increases.

Abstract: An object of the invention is to enhance the exhaust gas purification rate and to reduce the possibility of breakage of a heater element in an electric heating catalyst (EHC) by generating heat by the heater element in a improved manner. A pair of electrodes including surface electrodes 7a extending in the axial and circumferential directions of the heater element along the outer circumferential surface of said heater element are provided in such a way as to be opposed to each other on the heater element located therebetween. The surface electrodes 7a are adapted in such a way that current flowing between the surface electrodes 7a flows mainly on the outer circumferential surface of the heater element in a part of the heater element with respect to the axial direction and flows mainly in an inner portion of the heater element in another part of the heater element with respect to the axial direction.

Abstract: The electricity is suppressed from flowing through a case (5) of an electric heating catalyst (1).

Abstract: The present invention is intended to achieve improvement in an exhaust gas purification rate as well as suppression of breakage or damage of a heater element in an electric heating catalyst (EHC), by causing the heater element to generate heat in a more suitable manner. In an EHC according to the present invention, a pair of surface electrodes (7a) are formed in such a manner that they extend spirally from one end toward the other end of a heater element (3), which is formed into a cylindrical shape, along an outer circumferential surface of the heater element (3), and mutually cross each other while sandwiching the heater element (3) therebetween. Moreover, the width in each of the surface electrodes (7a) in the vicinity of their ends which are in contact with circumferences of end faces of the heater element (3) is enlarged.

Abstract: The invention relates to engine construction, in particular to systems for regulating internal combustion engines. The invention makes it possible to reduce the toxicity of exhaust gases. A four-stroke reciprocating internal combustion engine is equipped with a vacuum valve. During the discharging of the exhaust gases, a vacuum pump pumps combustion products out of the cylinder via the vacuum valve. First of all, a discharge valve is opened, and the vacuum valve is opened later, after complete (or partial) closing of the discharge valve, and the vacuum valve is closed later on or at the same time as an inlet valve opens. The vacuum valve is situated in the exhaust pipe, and an additional shut-off valve is mounted downstream of said vacuum valve, along the path of the exhaust gases, the shut-off valve connecting the exhaust pipe to the exhaust manifold or disconnecting the exhaust pipe therefrom.

Abstract: A method and apparatus for controlling a hydraulic power system is provided that includes a hydraulic motor and a hydraulic pump configured to supply hydraulic fluid to the hydraulic motor. A relief valve is provided that is configured to release hydraulic fluid from a location between the hydraulic pump and the hydraulic motor when a pressure of the hydraulic fluid exceeds a predetermined relief pressure. Above a predetermined threshold pressure for the system, the displacement of the pump is adjusted to at least a minimum displacement that is based on a total demanded flow for the system that includes a desired flow of hydraulic fluid across the relief valve and a first hydraulic fluid flow consumed by the motor.

Abstract: A multiple-stage fluid operated actuator (100) is provided. The multiple-stage fluid operated actuator (100) comprises a housing (101) including a first bore (212) with a first cross-sectional area and a second bore (215) with a second cross-sectional area. The multiple-stage fluid operated actuator (100) further comprises a piston assembly (210) including a first piston (210a) movable within the first bore (212) and a second piston (210b) movable within the first and second bores (212, 215). The piston assembly (210) separates the first and second bores (212, 215) into a first fluid chamber (214a) selectively in fluid communication with a pressurized fluid source (220) or an exhaust, an airtight second fluid chamber (214b), and a third fluid chamber (214c) selectively in fluid communication with the pressurized fluid source (220) or the exhaust.