| A security system that signals when any of the contacts have been interrupted.
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| A grille of steel bars to protect a window or skylight opening from intrusion.
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| A hard woody outgrowth on a tree, good for highly figured veneers.
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| A finish obtained by rubbing burlap to remove surface irregularities from concrete.
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| A curing concrete surface that has had a coarse fabric of jute, hemp, or less commonly, flax applied, for use as a water-retaining covering.
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| A coarse fabric of jute, hemp, or less commonly, flax, for use as a water-retaining covering in curing concrete surfaces; also called Hessian.
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| In carpet manufacturing, a hand-tailoring operation after weaving, to remove any knots and loose ends, to insert missing tufts of surface yarn and otherwise check the condition of the fabric; also, a repair operation on worn or damaged carpet.
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| To cut metal with a gas flame.
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| Wood finish in which hard portion of grain stands out in relief; produced by using blowtorch and stiff bristled brush.
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| Over-dried, partially calcined gypsum board.
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| Device in which burning of fuel takes place.
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| Repairing a finish by melting stick shellac into the damaged places by using a heated knife blade or iron.
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| Polish by rubbing.
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| See Melting Rate.
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| An earthy substance containing oxides of iron and usually of manganese; orange red or reddish brown pigment, used in paint; sienna that has been roasted.
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| A brown earthy substance containing oxides of iron and manganese; a pigment, darker than ochre and sienna, used in paint; umber that has been roasted.
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| A term erroneously used to denote excessive Melt-Thru or a hole.
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| A sharp, roughened, in-turned edge on a piece of pipe which has been cut but not reamed.
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| The internal pressure required to break a pipe or fitting; this pressure will vary with the rate of build-up of the pressure and the time during which the pressure is held.
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| 1. A large, flat conductor, usually solid copper, used for carrying very high electrical currents. 2. An uninsulated bar or tube used as an electrical conductor at a circuit junction.
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| A metal bar serving as a common connection for two or more circuits in a prefabricated unit.
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| A prefabricated unit containing one or more electric conductors, often a metal bar, that serves as a common connection for two or more circuits.
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| In the main electrical service panel, where the neutral service wire, generally white, attaches and is linked to the earth by the ground wire.
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| In stone dressing, a steel hammer used in finishing the harder stones; it has a square-ended prismatic head divided into a number of pyramidal points.
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| A pipe threaded at both ends to connect two pipes of different dimensions.
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| A threaded metal or plastic pipe connector used to connect conduit to a box or other housing where the hole is not threaded.
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| 1. A removable cylindrical lining for an opening used to limit the size of an opening, resist abrasion, or serve as a guide. 2. An electrically insulating lining for a hole to protect a through conductor. 3. A pipe fitting with both male and female threads used in a fitting to rce the size; used to connect pipes of different sizes.
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| The assumption that a business is separate and distinct from its owners financial operations and holdings.
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| A rigid assembly consisting of one or more busbars.
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| A gaseous hydrocarbon (C4H10) of the alkane series used in liquefied form as fuel; also used as a low temperature application refrigerant.
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