Abstract: A plurality of different types of modules are used to form external and internal walls of a building system. Adjacent modules are interlocked by first and second fitting surfaces of respective adjacent modules. First and second adjacent modules are attached using a fastening system which includes a fixing rod and wall fitting unit. A fitting surface of the first adjacent module is fitted with the wall fitting unit and the fixing rod is inserted through the second adjacent module.

Abstract: The present invention is directed toward fire-rated wall construction components for use in building construction. The invention provides wall components and systems which have fire-retardant characteristics, as well as wall components which allow for needed ventilation in a building throughout times when no fire is present. Embodiments include tracks for holding studs which incorporate various geometries capable of receiving intumescent material. When the intumescent material becomes hot, it expands rapidly and fills its surrounding area, blocking fire, heat, and smoke from traveling to other areas of a building.

Abstract: A tilt-up wall panel for use in the construction of a building is disclosed. The panel includes a composite slab that includes (a) a profiled decking sheet and (b) concrete cast on the profiled decking sheet.

Abstract: This invention relates to a reinforcement structure which is used in providing cementitious mixtures supplemental support and strength upon setting, and more particularly, to a reinforcement structure which comprises a plurality of oriented reinforcing fibrous and/or filamentary components having a finite cut length, and fastening the reinforcing fibrous and/or filamentary components by one or more circumferential retaining elements.

Abstract: A three-dimensional edge cladding for an architectural opening that includes a forward facing portion having a substantially constant first profile along a longitudinal axis. The forward facing portion includes a plurality of spaced apart nailing flanges, stepped surface topography projecting generally forward and away from the flanges. A longitudinally extending channel receives a side facing portion having a substantially constant second profile that include a portion that is generally orthogonal to the nailing flanges. A joint cover portion for covering the section where two or more edge cladding members meet.

Abstract: The present application is directed toward fire-rated wall construction components and wall systems for use in building construction. Embodiments can include tracks for holding studs which incorporate various geometries capable of receiving fire-retardant material, flat straps for use between tracks and fluted wall components, fire sponges for use in fluted wall components, and tracks with protruding grooves or other structures which prevent unwanted air movement between a wallboard component and the track.

Abstract: A method for attaching interior or exterior surfaces, such as drywall or siding, is disclosed. An integrally insulated concrete wall is described that includes two concrete wythes, insulation sandwiched between the wythes, and connectors that extend through the insulation. At the end of the connector, an anchor is provided. In order to attach a surface such as drywall or siding to the concrete, nails or screws are driven through the surface and into the anchors, thus eliminating the need to construct a frame.

Abstract: Retaining rail (1) for holding down roofing membranes of flat roofs comprises a web (13) and lateral edge folds (14,14?). The web (13) is provided with openings (11) for attaching fastening means (10). Each of the lateral edge folds (14,14?) forms bearing-side shoulders (21,21?). The web (13) lies above the bearing plane (26) defined by the bearing-side shoulders (21,21?).

Abstract: Disclosed is a batten riser assembly that is used to install battens for tile roofs. The batten riser assembly can be used to prolong the life of tile roofs since it is made of waterproof materials. The batten riser assembly uses flexible strips that can be easily folded in a compact package and can be installed in a quick and easy manner. The batten riser assembly can be used in conjunction with a marker tape to speed installation. The batten riser assembly is designed to prevent the damming of water that penetrates the tile roof. The batten riser assembly provides a simple and easy way for installers to comply with building codes.

Abstract: An anchoring panel for a sport wall system with a front side facing an interior of the sport wall system, a back side, a flange extending from and rigidly fixed to the back side, a top side, a bottom side, and a first and second end wall is provided. Each of the first and second end walls include interlocking elements for interlocking with a first or second end of another panel in the sport wall system, the interlocking elements comprising at least a male knob extending towards the bottom side of the anchoring panel and configured to be insertable into a panel recess of the another panel in the sport wall system.

Abstract: Disclosed herein is a low-priced flooring comprising a transfer-printed high-density fiberboard (HDF). According to the flooring, an aqueous primer layer is formed on a high-density fiberboard as a core layer and transfer printing is performed on the surface of the primer layer to form a printed layer so that the background fiber pattern of the high-density fiberboard is covered, the adhesion of the core layer to the printed layer is enhanced, and the natural beauty of wood is faithfully imparted to the surface of the flooring.

Abstract: The rectangular floor panel comprises a core of timber material, a decorative layer on the top and pairs of opposite side edges with complementary form-fitting hooked profiles. A receiving hook facing the lower side of the floor panel and a retaining hook located on the opposite side edge and facing the top side of the floor panel. The receiving and retaining hooks are provided with a distal side surface, one having at least one projecting interlocking element and another having an associated receiving pocket. The retaining hook is lockable with the receiving hook by vertical movement. The interlocking element and the top side of the floor panel are separated by at least one gap corresponding to one third the total thickness of the floor panel.

Abstract: A building block includes ends having recesses and ribs. Each block end has a recess about ½ the width of a stud in the upper portion so that when blocks are placed end to end they can support a stud. The front and back of the blocks ends have vertical braces or protrusions that form vertical recesses for mortar and a mortar overflow area. The front of the block can have a facade with its ends extending around its front corners.

Abstract: The invention relates to a device for maintaining structural elements at a distance from one another for the purpose of reinforcing concrete, said device taking the form of a disk which is formed from a single piece, preferably by means of injection moulding, using a plastic resin such as high-density polyethylene. According to the invention, the structural element is positioned along the central axis of the device and the element is inserted through a reinforced radial hole which extends from the centre of the device to one of the ends thereof, said two parts being fixed with corresponding fixing elements following the insertion of the structural element. The inventive device enables greater concrete continuity, with a larger available space for the concrete, thereby reducing the interface coefficient.

Abstract: An anchor for connecting a roof truss to the wall of a building. The anchor has a panel that associates with a plurality of clamps. The clamps having two surfaces which associate with the panel and the roof truss, respectively. The anchor has a member that extends into the wall. The member may have various shapes to provide increased strength to the anchor. The anchor is connected to the roof truss by a connector that may pass through the clamp and the roof truss. The clamp is attached to the panel by a connector that is adhered to the panel.

Abstract: A wall-mounted component can be flush-mounted into a wallboard by first installing a panel with a receiver bracket flush into a wallboard. Once the panel is installed, the component can be inserted into the receiver bracket at which point a locking mechanism automatically or manually engages to lock the component into the wall. The locking mechanism is concealed from view so that a casual observer does not see how the component is affixed to the wall, yet is accessible from the wall's exterior for routine service and maintenance, as well as reinstallation of updated components.

Abstract: Method for manufacturing floor panels, wherein is started from panels (1), these panels (1), at their lower side (9), are provided with at least one guiding groove (22) and these panels (1), at least at two opposite sides (3A-3B/4A-4B), are provided with profiled edge regions (5A-5B) that comprise coupling parts (17A-17B), characterized in that at least one of the aforementioned two profiled edge regions (5A-5B) is formed such that this region, seen in a cross-section of the panel (1), transverse to the guiding groove (22), extends at the lower side (9) of the panel (1) at least up to the guiding groove (22). Further, the invention also relates to still other methods, for manufacturing as well as packaging of floor panels, and also relates to devices used therewith, as well as to floor panels.

Abstract: A method and equipment for forming a laminated tile includes a multi-stage process line adapted to combine a tile base and a tile surface. The tile forming equipment includes a production line with a number of operation stations where the tile base is formed in a mould (4) and compacted. Adhesive or mortar is applied to a mating surface of the tile base. A tile cap has its mating face wetted and/or supplied with a second adhesive and is then applied to the mating surface of the base and pressed to form a sound contact with the adhesive.

Abstract: A heat exchanger panel assembly includes two panels, one with milled channels approximately in cross-section which flow coolant, and the other a close-out nominally flat panel which is bonded to the tops of the ribs of the milled channel with a thin interlayer of a transient liquid phase (TLP) bonding agent foil as the bonding interface. The method of manufacture provides transient liquid phase bonding coupled with vacuum compression. The bonding is accomplished by vacuum compression at elevated temperature in a furnace in which a vacuum is impressed on the channels while high pressure is forced on the panel exterior which forces all bonding interfaces into intimate contact.

Abstract: A method for securing a roof sheathing and shingles in a retrofitting reinforcement of an existing roof structure, the shingles being laid on the roof sheathing in a partially overlapping pattern, comprises (a) driving a plurality of fasteners down through selected shingles and the roof sheathing in a selected area of the roof structure into at least one of underlying roof frames; and (b) applying a water-resistant coating to the roof structure to seamlessly cover exposed surfaces with exposed ends and sides of all shingles in the selected area.

Abstract: A modular floor covering includes tiles, and at least one series of framing modules (2) and elements for the detachable connection of the framing modules (2) to one another and/or to an underlayer which has been laid on the floor. The elements are of the type that permits individual demounting of each framing module (2) by displacement of the framing module (2) vertically in relation to the floor, without demounting either the adjacent framing modules or the adjacent tiles (1).

Abstract: A construction module having a multi-layered top panel, a multi-layered intermediate panel and a multi-layered bottom panel which are bonded together and desired cavities are provided through one or more of the top panel, intermediate panel and bottom panel.

Abstract: An apparatus for cutting gas-filled filling bodies (12) to size, wherein the filling bodies are fed to the apparatus in the form of a string of successive gas-filled filling bodies that are connected by flat connecting sections (13); wherein a cutting device (11) having a cutting element (15) is provided for cutting the gas-filled filling bodies (12) in the connecting section (13) between two filling bodies; wherein at least one catch (21) is provided that is preferably arranged on a wheel (20) and has an engagement area (21a) for receiving a filling body (12); wherein the catch (21), together with the filling body (12) is movably arranged and configured such that the filling body (12) situated in the catch (21) is centered. A counter (23, 24) is provided for receiving a number of filling bodies (12) moved across a reference point. An evaluation and control unit is provided for receiving data of the counter (23, 24) and for triggering the cutting process.

Abstract: This vertical packager comprises a packing sheet (2) marking mechanism (3), along the path of said packing sheet (2) from the reel (21) towards the cutting, filling, and package sealing sections (11). Said mechanism (3) includes a laser beam generator that upon application to the packing sheet (2) creates a tear line (9) of varying adjustable shapes and depths and systems for focussing of the laser beam onto the packing sheet (2), a housing mounted on movable guide sections of the focussing system, a protective casing, ventilation apparatus for the removal of smoke created and a control system for movement of the housing and for the operation of the laser beam generator.

Abstract: A heat sealing jaw for use in cooperation with an opposing backing jaw for sealing layers of film together is described. The heat sealing jaw may be suitable for forming an easy-open feature on a packaging pouch used to contain flowable material. In certain embodiments the heat sealing jaw comprises a jaw body, a heat sealing element secured to the jaw body, a support surface for clamping the layers of film together against the opposing backing jaw, and, a heat sink coupled to the heat sealing element for inducing a temperature gradient along a sealing face of the heat sealing element. The sealing face may have a protrusion for forming a notch within the layers of film. Related apparatuses and methods are also described.

Abstract: Method for the manufacture of mixed packages and device for carrying out said method. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

Abstract: Soap bars that are not of essentially a square or rectangular shape, but of a generally rectangular shape, can be packaged using a single plastic film wrapper. This plastic film preferably is biaxially oriented polypropylene of from about 60 micron to about 180 microns. It can be a monolayer or a multilayer laminated. However, any plastic film having a Taber stiffness of more than about 5 and preferably about 7 to 20 can be used. The soap bar in order to facilitate making an effective longitudinal seal on the bottom of the soap bar package should have a planar surface adjacent to the position of the overlapping longitudinal edges of the wrapping film. This provides a surface for the sealing plate to seal the longitudinal edges against.

Abstract: A side seal assembly for a shrink wrap packaging system is located downstream in the feed direction from a wrapping station to join first and second plies together and enclose each of the products in individually wrapped packages. The side seal assembly includes a heated side seal mechanism to form the side seal weld and separate the selvage film. The assembly includes an indexing mechanism to index the side seal mechanism and expose a clean surface to the film without removal or extensive servicing of the assembly and the heretofore requisite downtime for the system. The sealing and cutting functions are combined into a single, stationary component thereby reducing the number of movable parts. Moreover, indexing the side seal mechanism operatively exposes a clean, free of resin build-up, peripheral edge of the side seal mechanism to the plies, without the need to stop production for extended periods of time while consistently producing a thin side seal weld on the package.

Abstract: The present invention is an aluminum foil sealing apparatus which is simple in structure and readily applied for various size of vessel. The invention is comprising: a main body on the upper surface of which a manipulator is provided and on the lower surface of which a power input unit is provided; a coil unit formed of a case in which a number of induction coils are disposed concentrically and horizontally; a power supply device which supplies electric power to the coil unit; a high frequency generator which is connected with the power supply device; a selector whose one end is connected with the power supply device and whose other end is connected in parallel with the respective induction coils, to thus supply one of the induction coils with the power; and a vessel mounting table arranged on the lower portion of the main body.

Abstract: A device (10) and a method for transverse sealing of a tube (12) of thermoplastic coated packaging material are provided. The tube is formed by sealing of an overlapping joint (14) between two mutually opposing edge sections (26, 28) of a sheet of packaging material. The device comprises first and second opposing jaws (16, 18) having first and second main sealing surfaces (20, 22), respectively. The tube is arranged to be flat-laid and squeezed between these main sealing surfaces to heat the thermoplastic there between and obtain a transverse seal along a main sealing line (24) of the tube. The device is characterized in that it is arranged to penetrate the outer edge section (28) of the overlapping joint along the main sealing line prior to sealing to allow the first main sealing surface (20) to contact the inner edge section (26) of the overlapping joint.

Abstract: A mandrel (2) comprising a body portion (4) having an outer surface for receiving a stretchable closed wrapper (20), the mandrel having an end (6) adapted for mounting on a self supporting object (18) to be wrapped such that the wrapper can be slid over the mandrel and delivered therefrom onto the outer surface (22) of the object, in which the mandrel includes a portion which engages with the object to allow the mandrel to seat on an end of the object.

Abstract: The invention relates to a compensating shaft module of an internal combustion engine of a motor vehicle or similar, comprising a compensating shaft and a cartridge which receives the compensating shaft at least in areas and is maintained by means of bearings. Said cartridge comprises at least one raw blowby-gas-inlet which is connected to a centrifugal force separator of the compensating shaft and a conveyor which conveys the blowby-gases into the inside of the compensating shaft, whereby the rotor thereof is arranged on the compensating shaft which comprises at least one pure blowby gas outlet which is arranged downstream of the conveyor.

Abstract: In order to maintain the dust collection efficiency, it comprises: a filtration chamber 20 which has an carbon fiber outlet 10 from which carbon fibers are discharged and to which a gas including the carbon fibers is introduced; a flexible cylindrical filter cloth 22 one end of which is suspended in the filtration chamber and which collects the carbon fibers in the gas in order to clean up the gas; and a pathway 30 for cleaned-up gas which is connected to the filtration chamber 20 through the cylindrical filter cloth 22 and which allows the cleaned-up gas to pass through it.

Abstract: Axial flow demisting cyclone for separation of material compositions of gas, liquid and particulate solids comprising an inlet conduit (18) for the material composition and an outlet conduit (19) for the substantially dry and clean gas, and a swirl facilitating device (20) that sets the entering material composition in rotation. The cyclons comprises a mainly cylindrical tube (11) which is provided with slots or perforations (21) to allow parts of the material composition, hereunder liquids and particulate solids to flow out from the cyclone tube (11) and into a substantially closed chamber (22) which is delimited by an inlet plate (24), by an outlet plate (23) ad by a circumferential plate (12).

Abstract: Presented is an improved dust filtration unit of the type characterized by a filter bag having a plurality of pockets conjoined to a unitary opening, the opening having a collar that extends circumferentially around the opening, and a frame for supporting individual pockets and circumferentially supporting the opening. The improvement includes the frame having circumferential sidewalls with substantially vertical portions and top edges. A flange extends outwardly from the top edges to define a parameter and the filter bag includes an elastic hem at an outer edge of the collar. The bag is inserted within the sidewalls of the frame and the elastic hem edge of the collar is stretched over the flange for supporting attachment thereto.

Abstract: A filter bag, filter assembly, and method of making wherein the filter bag including a pair of longitudinally extending fluid pervious filter panels positioned in spaced opposed relation to form filter bag sides therebetween, the opposed longitudinally extending fluid pervious filter panels being connected together by at least one joiner in strip form arranged to extend longitudinally between the longitudinally extending spaced opposed filter panels and fastened on opposite longitudinal side edges of the joiner to the opposed panels from a downstream end to joiner separation points a selected distance from the upstream end.

Abstract: A serviceable gas/liquid separator is provided. The gas/liquid separator has a cross-section with one long axis and one short axis, with an aspect ratio of at least 1.3. A preferred cross-section, is an elliptical cross-section. Assemblies in which the separator unit can be used, are provided. In addition methods of use and construction are provided.

Abstract: An engine unit that enhances air intake efficiency of an engine air intake passage for sending air into a transmission case housing a continuously variable transmission. The engine air intake passage supplies air to an engine arranged in a lower portion of a vehicle body. An air cleaner cleans outside air to be sent to the engine air intake passage. A transmission air intake passage sends air into the transmission case. The transmission case is adjacent to the engine in a vehicle width direction. The engine air intake passage extends upward from a front portion of the engine. The transmission air intake passage extends upward from the front portion of the transmission case in the vehicle width direction of the air cleaner and the engine air intake passage.

Abstract: An air cleaner assembly and components therefor are provided. Features are described providing for a cantilevered support of a filter cartridge contained therein, and also, in some examples anti-rotational support. Also, a supported housing seal is shown. A filter cartridge arrangement is described and shown. Methods of assembly and use are also described.

Abstract: A thin-walled porous ceramic wall-flow filter is disclosed. The filter produces a relatively lower pressure drop coupled with relatively high initial filtration efficiency (FE0), and may enable packaging the filter in a smaller volume. The filter includes a plurality of porous ceramic walls forming cell channels. At least some of the cells are plugged forcing some exhaust gases through the walls, thereby filtering out entrained particulates. The walls have a wall thickness (Twall) wherein 102 ?m?Twall<279 ?m, and a median pore diameter (MPD), and wherein 10<Twall/MPD, and may also be <40. The relatively small median pore diameter (MPD) in comparison to the wall thickness (Twall) allows the use of thinner ceramic walls that provide less flow resistance than thicker walls while maintaining sufficient initial filtration efficiency (FE0). Furthermore, such thin-walled filter structure coupled with unequal inlet/outlet area ratio (Ai/Ao) may allow filter lengths to be additionally shortened.

Abstract: This invention relates to a filter felt and bag filters comprising an intimate staple fiber blend of 20 to 75 parts by weight polymeric staple fiber containing a polymer or copolymer derived from a monomer selected from the group consisting of 4,4?diaminodiphenyl sulfone, 3,3?diaminodiphenyl sulfone, and mixtures thereof; and 25 to 80 parts by weight of a heat resistant staple fiber selected from the group consisting on meta-aramid fiber, acrylic fiber, polyphenylene sulfide fiber, and para-aramid fiber; based on 100 parts by weight of the polymeric fibers and heat resistant fibers in the felt.

Abstract: A baler comprises a baling chamber and a sensor arrangement. The sensor arrangement comprises at least one sensor arranged to provide information about a mechanical property of a bale built in the baling chamber and a control unit receiving signals from the sensor. The control unit is operable to automatically calibrate the signals from the sensor based upon at least one signal from the sensor received in at least one known state of the sensor.

Abstract: Wheel Guided Lawn Trimmer with The wheels on the lawn trimmer will help you cut around landscape easer than a trimmer without wheels, The weight of the trimmer without wheels is on the operator, the wheel guided lawn trimmer takes the weight of the trimmer, The average lawn enthusiast will master a trimmer with wheels, than to hold a trimmer steady while trimming around landscape, The three wheels used on the trimmer will balance the trimmer more efficiently than other trimmer that have deigned with wheels, The front swivel wheel has three cutting position while staying on the fresh cut lawn, Designed that have wheel that attach to the shaft of the shaft of the trimmer tends to have a balancing problem, and The wheel guided lawn trimmer eliminates the difficulties of deep or high cuts in the lawns that is encountered with a standard lawn trimmer.

Abstract: A system for activating a rotor drive (31) of an open-end rotor spinning machine (30), having an open-end rotor spinning machine (30) with a plurality of workstations (33), each having a rotor drive (31) with a control unit (4), which comprises at least one communication interface (18, 19) for connecting to a workstation control unit (35), and external means for substitute activation of the individual rotor drives (31) and for reading signals representing operating state data of the rotor drive from the individual control units (4) of the rotor drives (31) by means of at least one communication interface (18, 19) of the control units (4) for adjustment and checking purposes.

Abstract: A device for purifying exhaust gases of a vehicle by selective catalytic reduction including a heated piping. The heated piping comprises a fluid conveying pipe including a thermoplastic elastomer, a heating element arranged inside the conveying pipe, and an anti-abrasive layer. Preferably, the conveying pipe is made of a polyolefinic matrix based thermoplastic elastomer in which it is intimately dispersed a dynamically vulcanised and EPDM based elastomeric phase.

Abstract: An exhaust gas purer (100) includes a plasma reactor (10) that includes a plasma generating electrode (1) formed by hierarchically stacking a plurality of unit electrodes (2) at specific intervals, the plasma reactor generating plasma in a space formed between the unit electrodes (2) by applying a pulse voltage between the unit electrodes (2) so that exhaust gas can be treated via a reactions and a power supply that generates the pulse voltage, each of the unit electrodes (2) including a conductive film (4) and a dielectric (3) disposed on at least one side of the conductive film (4), the unit electrodes (2) being stacked so that the dielectric (3) is positioned on at least one of opposing sides of the unit electrodes (2), the pulse voltage having a pulse width of 1 ?m to 1 mm and a field intensity of 5 kV/cm or more, and the amount of energy supplied when applying the pulse voltage being 10 J or less per microgram of a treatment target substance.

Abstract: A method, system and apparatus for generating energy. The method, system and apparatus can include the generation of exhaust gases in a first cylinder of an internal combustion engine and the transportation of the exhaust gases from the cylinder to a chamber. The method, system and apparatus may also have the steps of storing the exhaust gases in the chamber and transporting the exhaust gases from the chamber to a second cylinder. Further, the method, system and apparatus may allow for pushing, by pressure supplied by the exhaust gases transported to the second cylinder, a piston in the second cylinder to a bottom portion of the second cylinder and the generating of a vacuum through the cooling of the exhaust gases in the second cylinder. Additionally, the method, system and apparatus can have steps for pulling, by the vacuum, the piston to a top portion of the second cylinder and releasing the exhaust gases from the second cylinder.

Abstract: A method for operating an emission abatement assembly (10) includes determining if a particulate filter (18) needs to be regenerated and adjusting the operation of an internal combustion engine (12) to increase oxygen content in exhaust gases generated by the engine (12) to generate heat in a fuel-fired burner (16) for combusting soot trapped in the particulate filter (18). An emission abatement assembly (10) is also disclosed.

Abstract: In an engine exhaust gas purification apparatus incorporating a LNT (lean NOx trap), during a NOx catalyst regeneration procedure for deoxidizing and removing accumulated sulfur from the LNT by producing a fuel-rich atmosphere in the exhaust system, the point at which to terminate the regeneration procedure is judged based on a difference between values of A/F ratio measured by sensors located respectively upstream and downstream from the LNT, with the regeneration being terminated when the difference falls below a predetermined threshold value.

Abstract: A NOx absorbent is arranged in an exhaust passage of an internal combustion engine, and a fuel supply valve (28) is arranged in the exhaust passage upstream of the NOx absorbent. If the temperature of the NOx absorbent is lower than a predetermined temperature when the NOx must be released from the NOx absorbent, the air-fuel ratio of exhaust gas flowing through the NOx absorbent is first switched from a basic lean air-fuel ratio to and maintained at a lean air-fuel ratio with a lower leanness for a predetermined lean time, and is then switched to a rich air-fuel ratio. If the temperature of the NOx absorbent is higher than the predetermined temperature when the NOx must be released from the NOx absorbent, the air-fuel ratio of the exhaust gas flowing through the NOx absorbent is switched to the rich air-fuel ratio without being switched to the lean air-fuel ratio with a lower leanness.