Abstract: The present disclosure includes cellulosic fiber barrier layer having a hydrophobic sizing to cause the barrier layer to exhibit hydrophobic properties. For example, the present cellulosic fiber barrier layers can be configured to have a high hydrostatic head (e.g., more than 200 mm H2O) while retaining a high air permeability (e.g., 0.5 ft3/min-ft2). The present disclosure also includes laminates (e.g., a breathable backsheet assembly) including one of the present cellulosic fiber barrier layers and a nonwoven support layer positioned beneath and coupled (e.g., bonded) to the barrier layer, such that the laminate is configured to exhibit desirable liquid-barrier performance (e.g., pinhole-free performance at 400 mm H2O for 10 minutes, and/or the like). The present disclosure also includes disposable absorbent garments including at least one of the present cellulosic fiber layers and laminates (e.g., including one of the present laminates as a backsheet for the disposable absorbent garment).

Abstract: A roll of absorbent sheet tail-sealed with an NFC containing aqueous tail-seal adhesive includes an NFC containing aqueous tail-seal adhesive interposed between a tail of the roll of absorbent sheet and an underlying convolution of the roll adhering the tail to the underlying convolution to form the tail-seal. The NFC containing tail-seal adhesive comprises nanofibrillated cellulose and one or more additional components selected from the group consisting of components (i), (ii), (iii), (iv) and (v) wherein (i) is a water-soluble cellulose derivative; (ii) is a water soluble polyol; (iii) is a viscosity modifier other than a water soluble cellulose derivative; (iv) is PVOH; and (v) is PVOH and a viscosity modifier. The NFC containing tail-seal adhesive optionally includes a surface tension modifier other than PVOH.

Abstract: The invention relates to a method which enables sleepers to be produced for the railway track superstructure having optimised performance characteristics, in a reliable and cost-effective manner. The method according to the invention provides the following production steps: a) providing a mixture 10-60 % mass of which consists of a granulate of a plastic, which is deformable by applying heat, and the remainder of which consists of a sand having a bulk density of 1.4-2.0 g/cm3; b) heating the mixture to a temperature of 150-200° C.; c) pouring the mixture into a press mould reproducing the sleeper; d) pressing the mixture in the mould at a pressing pressure measured in the mixture of 1-5 MPa over a pressing period of up to 60 minutes; and e) removing the sleeper from the mould.

Abstract: A monitoring and warning system is provided that measures a track displacement as an indication of an operational condition of railway tracks and a rail track structure. The system comprises a sensor and a device coupled to the sensor. In response to a physical measurement of a vertical displacement of a railway track in a down direction by the sensor, the device is configured to provide a warning signal indicative of a possible future failure of the railway track or the rail track structure for proactive track maintenance purposes.

Abstract: A concrete dowel slip tube assembly is provided for use in maintaining a planner consistency of a cured concrete slab formed on a support surface. The assembly comprises a plurality of elongate slip tubes, each having a length dimension and a tubular hollow interior compartment. Dowels are slidingly engageable to the hollow interior compartment to allow for translation along the interior compartment. A support frame defines a plurality of integral slip tube retaining members, disposed at evenly spaced locations along the support frame, the retaining members being configured to receive and engage associated slip tubes to the support frame in a common defined orientation. The support frame and the retaining members are formed as a unitary construction.

Abstract: A method for preparing a simulated lawn is provided, which comprises wiredrawing, coiling, weaving and post-processing raw materials, to obtain a simulated lawn product, wherein the weaving is straight yarn-curled yarn-interlacing weaving, in which one line of curled yarn is weaved between two adjacent straight yarns, and spacing between adjacent straight yarns is ? to ¾ inches and knitting needle number is 150 to 350 needles/meter.

Abstract: A support layer for supporting an artificial turf assembly. The support layer being formed of a polymeric foam, preferably having a density of between 20 and 70 grams per liter, such as a polyolefin foam; and having an upper side and a lower side, wherein in use the support layer has been placed with the lower side thereof on a base surface and supports, on the upper side thereof, the artificial turf assembly, the support layer including a plurality of through drainage holes extending from the upper side to the lower side for allowing liquid such as rain water to flow via the plurality of drainage holes from the upper side to the lower side, and also including a plurality of channels at the lower side for allowing liquid such as rain water to flow through the channels along the lower side, wherein each of said plurality of drainage holes debouches into one of the plurality of channels.

Abstract: The invention relates to a working device for a ground-processing device having a milling drum with a milling drum tube on whose surface working tools are mounted in a projecting manner and are intended to come into contact with the material to be milled during the milling process, wherein the working device has a powertrain for driving the milling drum. In order to improve the running smoothness of a ground-processing machine, provision is made according to the invention for at least one load weight to be arranged, preferably interchangeably, on the powertrain and/or on the milling drum to increase the kinetic energy.

Abstract: A device to protect a structural member against a cutting threat, such as a saw blade or thermal cutting device, is provided. The device provides a substrate having a cavity disposed therein. A cutting resistant element is disposed within the cavity to impede cutting of a cutting device, such as a saw blade or thermal cutting device, into the cutting resistant element.

Abstract: A device for assisting to secure a bridge support bracket to a beam, the device comprising: a support frame, a hook to secure the support frame to the beam, a clamp to grasp and hold the bracket, and a pivot axle to pivotally connect the clamp to the support frame. With this device, a bridge builder can use the clamp to grasp and hold the bridge support bracket, and then pivot the clamp and support bracket relative to the beam.

Abstract: A pre-filled adhesive pavement marker having a body with downwardly facing openings that are pre-filled with an adhesive. An adhesive pad including an adhesive can be provided on a surface of a pavement. The pre-filled adhesive pavement marker can be attached to the adhesive pad to thereby adhere the pre-filled pavement marker to the surface of the pavement.

Abstract: The invention relates to a one-piece light signalling slab (2) comprising a structure with a plurality of layers that are superposed and attached together, said structure comprising: A first transparent or translucent layer (200) forming a front face of said slab; A light assembly (201) comprising a plurality of light emitting diodes (Ds) electrically connected together; An assembly (202a, 202b) encapsulating said plurality of light emitting diodes; A second layer (203) forming a rear face of said plate and being made up of a composite polymer/fibreglass material; Said encapsulating assembly being positioned between said first layer (200) and said second layer (203).

Abstract: A handheld blower includes a housing, the housing including an air inlet and a duct assembly, the duct assembly including a duct, a motor and a fan mounted in the duct, a battery, a handle, and a blowpipe which defines a central axis. Along the direction of the central axis, the area of the flowing cross-section of an air passage at the rear end of the fan adjacent to the air inlet is larger than that of the flowing cross-section of an air outlet of the blowpipe, and the rate between the area of the flow cross-section of the air outlet of the blowpipe and the area of the flow cross-section of the flow-through area at the position of the fan is greater than or equal to 0.8.

Abstract: A street sweeper configured to clean a street can include: at least one broom or sprayer configured to clean a street, a street surface deviation detection device coupled to the street sweeper, the street surface deviation detection device being configured to detect visual signatures of defects in a surface of the street; and a position device to measure the position of the street sweeper, wherein the position device is programmed to send the position to a central server.

Abstract: A flood mitigation system comprises a number of barrier units connected end-to-end to form a flood barrier wall wherein each individual barrier unit includes gripping structure along a bottom wall to resist dislocation when impacted by flood water and floating debris and a seal is placed on an end wall of each barrier unit so that the barrier wall resists leakage of flood water between adjacent units.

Abstract: A connecting structure, standard sections, a channel having the standard sections, and an irrigation system are provided. The standard sections each comprise a bottom plate and side plates fixedly connected to both sides of the bottom plate; the three plates form a standard section body in a groove structure. Two ends of the standard section are respectively provided with a male buckle and a female buckle, or the two ends of the standard section are both provided with the male buckle or the female buckle. The male buckle comprises a male buckle connection plate. The female buckle comprises a female buckle connection plate having a U-shaped groove. Moreover, the thickness of the male buckle connection plate matches the width of the U-shaped groove, in order to prevent the male buckle connection plate from coming out of the U-shaped groove of the female buckle connection plate after being inserted therein.

Abstract: An oil fence including an oil filtration membrane includes: a floating member floating on a surface of water; and an oil filtration membrane connected to the floating member, allowing the water to pass therethrough, and rapidly collecting materials such as oil or a hazardous and noxious substance included in the water.

Abstract: The embankment monitoring system comprises an optic sensor chain (10) and an interrogator (20). The optic sensor chain (10) comprises a series of intrinsic fiber optic sensors (12) that are mutually spaced with respect to each other in a longitudinal direction of the optic sensor chain and at least one optic fiber (14) to optically connect the plurality of intrinsic fiber optic sensors to the interrogator. The interrogator is configured to issue an optic interrogation signal and the intrinsic fiber optic sensors are configured to respond to the optic interrogation signal with an optic measurement signal that is indicative for at least one physical parameter (P1) sensed by the intrinsic fiber optic sensors. The interrogator is further configured to process the optic measurement signals of the intrinsic fiber optic sensors to estimate a depth (d) as a function of a position (p) along said optic sensor chain (10).

Abstract: Performing post-grouting of a drilled shaft includes forming the drilled shaft using a plurality of hollow rebar tubes, where each of at least one pair of hollow rebar tubes has a central longitudinal opening, coupling the at least one pair of hollow rebar tubes to a grout delivery mechanism disposed below the shaft, and providing grout to the grout delivery system through the at least one pair of hollow rebar tubes. Each of the at least one pair of hollow rebar tubes may include threads or ridges that eliminate debonding of the hollow rebar tubes from concrete of the drilled shaft. The hollow rebar tubes may be TITAN 52/26, TITAN 73/53 and/or TITAN 73/56 hollow threaded rebar. Each of the at least one pair of hollow rebar tubes may further provide structural reinforcement of the drilled shaft. The grout delivery mechanism may include a perforated pipe.

Abstract: The object of the present invention relates to a method for producing drilled piles, wherein a drilling tool is sunk into the subsoil by applying a drilling torque and a vertical force, the drilling tool is then again retracted and an additional material is introduced into the resulting bore. According to the invention, the drilling tool is set in vibration by one or more actuators while it is sunk into the subsoil and/or during the retraction of the drilling tool, wherein a resulting oscillation amplitude has at least one horizontal portion. The invention also relates to a corresponding drilling tool for producing boreholes or drilled piles in a subsoil. The present invention further relates to a depth vibrator for the displacement and consolidation of subsoil material as well as a method for the displacement and consolidation of subsoil material.

Abstract: A stabilizer anchor securing a manufactured building to the ground while resisting movement from forces against the building, having an elongated rod with a helical flight at a first end and a connector at an opposing end, which rod slidingly receives a plate for movement relative to the rod during installation. A stabilizer member connects between a connector of the rod and an I-beam of the manufactured building for communicating forces on the building to the ground. A method of securing a manufacturing building to the ground while resisting movement in response to forces against the building is disclosed.

Abstract: A cover comprises main section 12 provided with link means to allow linking of the cover to an adjacent cover, wherein the main section 12 is shaped to include opposing side walls 18 and defines a reinforced plastics material central region 22 in which elongate reinforcement members 26 are provided extending within the side walls 18, and end regions 24 located to opposite ends of and integrally formed with the central region 22, the elongate reinforcement members 26 provided in the side walls 18 stopping short of the end regions 24, and wherein the link means are provided at the end regions 24.

Abstract: A soil erosion barrier that is configured to inhibit the erosion of soil on a sloped terrain. The soil erosion barrier includes a body that is planar in manner and manufactured from a flexible material. The body includes an upper edge and a lower edge wherein the lower edge is contoured towards opposing ends of the body with the greatest width of the body being at the midpoint thereof. A first connection member is integrally formed on one end of the body and a second connection member is integrally formed on the opposing end of the body. An aperture is formed through the body proximate the second end wherein the aperture further includes opposing slots that are parallel to the upper edge of the body. A slot is formed in the body proximate the midpoint and is further proximate the lower edge.

Abstract: A hydraulic excavator tool adapted to be secured to the distal working end of an excavator boom including a main tool assembly with a tool framework, a spaced apart pair of connection flanges fast with the tool framework, and, a structural tubular casing integral with the tool framework extending across and through the tool framework and through the flanges, plus a rotary hydraulic actuator within the tubular casing extending between the connection flanges and providing a rotational drive motion to a drive axle extending between the connection flanges adapted to provide a controlled rotary drive motion of the axle adjacent the connection flanges, and a working tool framework fast to the axle adjacent each of the connection flanges for relative controlled rotation of the working tool framework about the drive axle between the tool framework and a working position.

Abstract: A lip for an excavating bucket with a front beam and a rear beam extending along the length of the lip and defining at least one recess between them. The front beam includes noses extending forward of the beam for mounting ground engaging tools. Ribs extend between the front beam and the rear beam. The ribs separate recesses extending between the beams.

Abstract: A power operated locking device for securing for example a tooth or an adaptor, to a ground engaging system, the lock having an internal motor, and sensing system operated by remote wireless technology to unlock and lock the locking device, and a wireless transmitting handheld device for the locking, and unlocking of the power operated locking device, wherein the motor and drive and electronic response circuits are all contained within the power operated locking device.

Abstract: A hydraulic excavator tool adapted to be secured to the distal working end of an excavator boom including a main tool assembly with a tool framework, a spaced apart pair of connection flanges fast with the tool framework, and, a structural tubular casing integral with the tool framework extending across and through the tool framework and through the flanges, plus a rotary hydraulic actuator within the tubular casing extending between the connection flanges and providing a rotational drive motion to a drive axle extending between the connection flanges adapted to provide a controlled rotary drive motion of the axle adjacent the connection flanges, and a working tool framework fast to the axle adjacent each of the connection flanges for relative controlled rotation of the working tool framework about the drive axle between the tool framework and a working position.

Abstract: A work machine includes: a multi-joint type work implement; a plurality of hydraulic actuators driving the work implement; an operation device outputting an operation signal to the plurality of hydraulic actuators; a storage section storing a target configuration defined by connecting a plurality of target surfaces; a control object surface selection section that in the case where a control point set at a claw tip of a bucket is under the target configuration, uses a target surface closest to the control point on the target configuration as a control object surface; and a target operation control section that controls the plurality of hydraulic actuators such that the operational range of the control point is limited to the control object surface and a region above the same in the case where an excavation operation is input from an operator via the operation device.

Abstract: A motor grader including a frame and a scarifier system coupled to the frame. The scarifier system includes a first pin member and second pin member both coupled to the frame and interconnected to one another. The scarifier system also includes a first and second arcuate drawbar arms in spaced relation and coupled to the first pin member and a carriage. An actuator is coupled to the first arcuate drawbar arm and the second pin member to rotate the carriage about a pivot axis of the first pin member.

Abstract: A control system for a work machine includes an input device actuatable to generate a control signal, a display screen, and or more processing circuits. The one or more processing circuits are configured to render, on the display screen based on an operator of the machine, an indicator of a first mapping between the control signal and a first function of the machine. The one or more processing circuits are further configured to receive, from the operator using the display screen, a second mapping between the control signal and a second function of the machine. The one or more processing circuits are additionally configured to control the second function using the control signal in response to actuation of the input device.

Abstract: A work machine control system includes: an acquisition unit configured to acquire a plurality of pieces of current topographical data of a work site where a work machine including a work unit performs work; a setting unit configured to set predetermined first current topographical data and second current topographical data from the plurality of pieces of current topographical data acquired by the acquisition unit; and an arithmetic unit configured to calculate a difference between the first current topographical data and the second current topographical data, and obtain revision data to revise the first current topographical data based on the difference and parameter information related to the current topography of the work site.

Abstract: A system for moving material with a ground engaging work implement determines a topography of the work surface, a maximum cutting capacity for a cutting operation, and a maximum carrying capacity for a carrying operation. A first double cut location is determined based upon the maximum carrying capacity and the topography of the work surface and a second double cut location is determined based upon the maximum carrying capacity and a modified topography of the work surface. Individually, the amount of material from each of the first and second double cut locations is less than the maximum cutting capacity, and combined is less than the maximum carrying capacity. A first forward double cut command moves the first double cut material to an intermediate position and a second forward double cut command moves the first double cut material and the second double cut amount of material to a dump location.

Abstract: An excavator comprises a control architecture having one or more actuators and one or more controllers. The one or more controllers are programmed to execute instructions. The instructions determine if there is a request to operate the excavator boom and the excavating implement in automatics mode. The instructions also receive target design surface data representing a target design surface of an excavating operation. The instructions still further receive an implement angle representing an operating angle of the excavating implement relative to the target design surface. The instructions also determine whether the implement angle is within an activation angle, determine whether the implement angle is outside of a deactivation angle, activate the excavating implement in the automatics mode when the implement angle is within the activation angle and the deactivation angle, and deactivate when the implement angle is outside of the deactivation angle subsequent to the automatics mode activation.

Abstract: Example aspects of a harness for a hydrant shoe assembly and a method for assembling a hydrant shoe assembly are disclosed. The harness for a hydrant shoe assembly can comprise an arcuate spine, the spine defining a first end, a second end, and a middle region therebetween, the spine defining an inner surface and an outer surface, the spine comprising a first protuberance extending from the outer surface and a first rib extending from the inner surface; a first fastener lug extending from the first end of the spine; and a second fastener lug extending from the second end of the spine.

Abstract: The invention relates to a method and system for recycling domestic greywater. Greywater is drawn from a greywater waste pipe through an overflow pipe of a sanitary fixture, thereby, permitting greywater to be collected for reuse without the need for complicated and expensive retrofitting and/or reconfiguration of existing plumbing infrastructure. The system and method of the present invention can easily operate independently or be integrated with domestic utility systems to supply these utility systems with grey-water.

Abstract: An overflow system for determining a level of a liquid to be contained in a container, which comprises a body extending along a longitudinal axis, the body being insertable within the container; and a level sensor unit secured to the body for detecting the level of the liquid along the longitudinal axis of the body.

Abstract: A flush toilet is provided, which can enhance discharge performance of waste from an inside of a water discharge trap conduit even with a smaller amount of flushing water, in the flush toilet discharging waste by a siphon action. A flush toilet of the present invention has a bowl section, a water discharge trap conduit, and a jet spout port connected to a lower portion of the bowl section and opened toward the water discharge trap conduit, with an outlet portion bottom surface of an outlet portion thereof and a bottom surface of the bowl section being connected, and a bottom surface of the bowl section forms a curved surface that diagonally inclines more downward than the outlet portion bottom surface from a tip end of an outlet portion bottom surface of the jet spout port.

Abstract: A fill valve system with a float nested in a container connected to the fill valve and a siphon device passing water out of the container into the toilet tank, with the siphon device having an air vent dimensioned such that: (i) tank refilling is delayed until after the flush valve closes; (ii) the fill valve is not turned on by small leaks in the tank; and (iii) the fill valve turns off when it encounters large leaks in the tank.

Abstract: A toilet bowl system for use on-board an aircraft includes a toilet bowl body comprising a toilet bowl and a shroud. The toilet bowl has a rim. A removable splash guard is positioned between the toilet bowl and the shroud, and comprises a generally flat, flexible, planar shield having a central opening. The shield includes a top portion and a rear portion, the top portion faces the shroud and the lower portion faces the toilet bowl, and the lower portion is shaped to correspond with an upper portion of the rim of the toilet bowl and is configured to secure the removable toilet splash guard to the toilet bowl.

Abstract: A remote control device according to an embodiment includes an operation button, a generator, an electrical storage part, electronic paper, and a controller. The operation button is for remotely operating a wet-area device. The generator generates electrical power by utilizing energy when the operation button is pressed. The electrical storage part stores the electrical power generated by the generator; the electronic paper displays a setting state of the wet-area device. The controller controls a refresh and a display-switching of the electronic paper by utilizing the electrical power stored in the electrical storage part. The operation button is marked with information showing a function of the operation button. The controller performs the refresh in the case where the function is not realized when the operation button is pressed.

Abstract: The elongated toilet flange is configured for use with toilet. The toilet further comprises a discharge port and a DWV floor outlet. The elongated toilet flange forms a fluidic connection between the discharge port and the DWV floor outlet such that biological excretions and eliminations received by the toilet are transferred through the discharge port into the DWV floor outlet. The elongated toilet flange is an irregular disk structure that further comprises a first wing structure and a second wing structure. The first wing structure and the second wing structure form elongated lobes that provide a more secure fluidic connection relative to a traditional circular toilet flange.

Abstract: Individual hexagonal shaped modules used in an assembly for underground storage of storm water and other fluid storage needs. Modules are assembled into a resultant honeycomb shape for maximized structural strength and material use efficiency. Adjacent modules are in direct fluid communications with one another via openings or windows in module side walls. Assemblies include various top and side pieces along with access ports for entry into said assembly.

Abstract: A trench drain defining a channel and having an accessory rib allowing the convenient attachment of accessories to the sides of a drain in order to facilitate the installation of a trench drain, place drain outlets at any convenient places along the trench drain, and to create right angle joints between two trench drains.

Abstract: A strut-and-node truss design that is applicable to all space frame structure designs can be made with using robotic (semi-autonomous and/or fully autonomous) or telerobotic assembly/joining. Nodes can include a 2-dimensional weld path in an effort to reduce the complexity of having to weld in 3-dimensions. Furthermore, each strut to node connection can be concentrated in a small area where each weld can be performed robotically from a fixed position that only requires the robotic weld head to swivel in a small operating window to reach each joint.

Abstract: Arch structure defining equidistant points along a radial curve and comprising uniformly-sized, standard stock, elongated rectangular cross-section stringer members, uniformly-sized, standard stock, elongated rectangular cross-section arch members each having a midpoint and first and second angled ends of equal but opposing to one another angular magnitude, each arch member adapted to converge crossways on and completely abut a side surface of two non-adjacently positioned stringer members, each of the arch members further being adapted for undergirding a stringer member located between two non-adjacently positioned stringer members at the mid-point of the arch member, each arch member adapted for being oriented in scissor-like crossing relationship to another arch member, a plurality of fasteners, and where needed at least one tensioning member preferably attached between end stringer members, or alternatively between foundation members, the tensioning members and fasteners making the arch structure fortifie

Abstract: An object is to provide a column frame structure for a prefabricated house which enhances the efficiency of transportation, which maintains waterproof performance, and which achieve a satisfactory appearance in terms of appearance. A column frame 20 is foldably fitted onto a floor panel 40. A prefabricated house P in which a roof panel 10 is stacked on the column frame 20 is provided. When the prefabricated house is assembled, a gable end portion in the roof panel 10 is formed so as to be prevented from being protruded beyond the outside surface of the column frame 20. An eaves gutter 50 is installed so as to extend downward from the gable end portion in the roof panel 10. The eaves gutter 50 is formed so as to be prevented from being protruded outward beyond the outside surface of the column frame 20 on the gable.

Abstract: An object is to provide an air conditioner-incorporating panel for a prefabricated house which can be safely moved so as to enhance the efficiency of operating of a step of assembling the prefabricated house. An outdoor unit P for an air conditioner is fixed to the outer surface of a wall panel 1 that is fitted to a prefabricated house. An indoor unit Q is fixed to the inner surface of the wall panel 1. A support base 2 is provided below the outdoor unit P on the side of a lower end portion of the outer surface of the wall panel 1. The wall panel 1, supported by the support base 2, is inclined so as to stand on its own at such an angle that loads on the inner and outer surfaces are equalized. Casters 3 are fitted to the lower surface of the support base 2.

Abstract: A girt alignment apparatus and a method of using the apparatus to shore wind girts of a building to level and support the wind girts to install panels and/or panelized sections to form a wall. The apparatus has an elongated support pipe, a base assembly at a lower end of the support pipe that supports the support pipe in an upright position, a lever assembly connected to the support pipe to move the support pipe upward and downward and one or more girt support assemblies attached to and extending outward from the support pipe to engage the wind girt. In use, the apparatus is placed next to a span having wind girts with the lever assembly in a retracted position. The lever assembly is moved to an extended position to move the support pipe and girt support assemblies upward to engage, level and support the wind girts.

Abstract: A brace insert device that is configured to be cast in concrete includes an anchor insert that has a hub with a threaded inner surface and a plurality of legs extending from the hub. A fastener has a shank portion that is threadably engaged with the threaded inner surface of the hub, where a head portion of the fastener is coupled to an end of the shank portion. A cap has an inner surface that is disposed over and conceals the head portion of the fastener. The cap is configured to be removed from a cured concrete structure to expose and allow operable access to the head portion of the fastener for use in attaching a wall brace.

Abstract: The present invention relates generally to an assemblable panel structure and, more particularly, to an assemblable panel structure having an expansion module connectable to a core module in an expansive manner. The assemblable panel structure includes a core module comprised of an upper core panel and a lower core panel, each having a regular thickness and a polygon horizontal-section wherein the core module has a space defined therein between the upper core panel and the lower core panel which are spaced apart from each other. The present invention adopts a modular structure, thus making it possible to quickly complete various types of prefabricated houses.