| Green pigment which is extremely permanent in color and has good resistance to both alkali and heat.
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| See Chromium Oxide Green.
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| A blue-white metallic element, used as a shiny decorative electroplated coating.
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| An instrument used to indicate the color of light liquids and oils; also called a Colorimeter.
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| A timepiece; a clock.
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| An attachment for holding a tool in a machine, as a bit on a drill.
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| See Mail Chute.
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| See Trash Chute.
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| An inclined plane, sloping channel, or passage down or through which materials may pass.
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| Cast iron.
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| An adjustable scribe tool for cutting circular patterns or openings for lighting fixtures and other devices in gypsum board.
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| An overcurrent protection device.
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| A device that will open an electrical circuit in the event of an overload, thus protecting operating equipment and other components from damage.
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| This is a group plumbing vent that extends from the front of the last fixture of the horizontal group to the vent stack; this type of vent may be used when the circuit carries the drainage of from two to eight urinals, water closets, stall showers, or sinks.
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| See Parallel Circuit.
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| See Pilot Circuit.
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| See Series Circuit.
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| The path of an electric current from the source.
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| A unit of length used in wire sizes.
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| A power saw with a circular cutting blade, either in the form of a portable hand tool or a stationary table saw.
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| A fireplace that has cold air intakes and hot air outlets into and out of a heat exchanger that is built into the firebox to enhance the effectiveness of a fireplace as a heating system.
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| An exterior or interior way of passage from one place to another for pedestrians, including, but not limited to, aisles, walks, hallways, courtyards, stairways, and stair landings.
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| The piping between a pool, spa or hot tub structure and the mechanical equipment; usually includes suction piping, face piping and return piping.
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| A pump that moves fluids in a piping system such as in a domestic hot water system or in a hot water heating system.
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| Entire flow arrangement of fittings, pipework, and equipment.
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| The enclosing boundary of a circle or other figure enclosed by a curve.
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| Cast Iron Soil Pipe Institute.
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| A tank for storing water.
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| An oil with a peculiar odor, obtained from a species of grass grown in Asia.
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| A building housing city government administrative offices.
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