| A column or post supporting a roof or for ornamentation.
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| Appearance defect associated with some staple fibers where balls of tangled fibers are formed on the carpet surface which are not removed readily by vacuuming or foot traffic; pills can be removed by periodic clipping.
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| secondary circuit used to control a main circuit or a device in the main circuit.
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| A small hole drilled into a piece of wood to prevent it from splitting when it receives a screw or nail.
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| 1. A small light to indicate when a switch or other electrical device is on or in the on position. 2. A relatively small flame which may be automatic or may burn continuously; its purpose is to ignite the main supply of gas when a gas-fired heating or cooking unit is turned on.
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| A hinge in a structure; a structural joint that will not transmit moment.
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| A knot that is not more than 1/2-inch in diameter.
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| small sliding pins in a lock cylinder working against coil springs which prevent the cylinder plug from rotating until the pins are raised to alignment by bitting of the proper key.
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| see Clevis Pin.
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| 1. Any small hole. 2. A small perforation in the gypsum board paper or paper joint tape. 3. A small hole appearing in a cast when the water-stucco ratio has not been accurately measured; excess water causes pinholes.
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| 1. A small gear in a set of gear wheels. 2. The smaller gear of two or the smallest of three or more.
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| A small ornamental turret usually ending in a pyramid or cone, crowning a buttress or roof.
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| Fine stripes.
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| short pipe length, placed vertically in the ground and filled with concrete to prevent vehicular access or to protect property from damage by vehicular encroachment.
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| see Cleanout Plug.
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| Projecting ring, ridge or collar placed on pipe to strengthen, prevent sliding, or to accommodate attachments.
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| A metal pipe used as a handrail.
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| Insulation that covers pipes to help in the rction of heat loss or gain.
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| Forcing pipe through the ground in a tunnel created by the pipe itself; the pipe is generally jacked horizontally in short lengths.
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| Putty-like material used to seal threaded pipe joints.
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| The act or process of painting piping to prevent rust and corrosion and also provide an identifying system in buildings and process piping plants.
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| A metal railing made of pipe.
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| Cylindrical insert cast into concrete wall or floor to provide for later passage or anchorage of pipe.
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| A wrench with serrated jaws to grip pipe and turn it in one direction only.
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| A plastic pipe made in various diameters; used for stacks and main drains in plumbing systems.
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| A pipe for liquid or gas.
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| Pipe used for drainage systems and sanitary sewers made of earthenware and glazed to eliminate porosity.
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| Rigid pipe used for exterior and interior water systems, it is light and durable, resists moisture, and can be used with either mechanical or soldered connections.
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| Rigid plastic pipe used for hot and cold water supply lines.
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| A pipe for liquid or gas, fabricated from layers of glass fibers and resins.
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