| shelf and pole.
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| Lumber, surfaced one edge.
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| Lumber, surfaced one side.
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| Lumber, surfaced one side and one edge.
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| Lumber, surfaced one side and 2 edges.
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| Lumber, surfaced two edges.
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| Lumber, surfaced two sides.
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| Lumber, surfaced 4 sides.
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| supply Air.
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| The unit of acoustic absorption; one sabin is the absorption of one square foot of perfect sound-absorbing material.
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| Joint that has been wiped or rubbed with a rag or object such as a rubber heel.
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| A quantity of cement, 94 pounds, I cubic foot, in the United States for portland or air entraining portland cement or as indicated on the sack for other kinds of cement.
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| Removing or alleviating defects on a concrete surface by applying a mixture of sand and cement to the moistened surface and rubbing with a coarse material such as burlap.
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| The finish of the ridge of a pitched roof house; also called Comb Board.
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| A fitting used to install a branch line from an existing run of pipe; first a hole is made in the pipe, then the saddle is clamped around the hole.
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| A specific method of wrapping hanger wire around main runners or of wrapping tie wire around the juncture of main runner and cross furring.
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| Valve body shaped so it may be silver brazed or clamped on to a refrigerant tubing surface; also called Tap-a-Line.
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| 1. A built up section of the roof substrate to divert water toward the drains. 2. See Threshold, 2.
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| see Office Safe.
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| see Discharging Arch.
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| A solid belt that may be attached to a secured lifeline.
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| Approved container of not more than 5-gallon capacity, with a spring-closing lid and spout cover; designed to relieve internal pressure safely when exposed to fire.
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| Chain installed horizontally in railing assembly to provide for ease in providing temporary opening in railing.
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| Device which will stop the refrigerating unit if unsafe pressures, temperatures, or dangerous conditions are reached.
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| see Factor of Safety.
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| specific type of glass having the ability to withstand breaking into large jagged pieces, usually tempered and laminated.
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| Plastic glasses that give protection to the wearer doing work that might send off particles of matter, such as when grinding and chipping.
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| Electrical device used to open circuit to motor if temperature, pressure, or current flow exceed safe conditions.
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| A woven meshed fabric that is suspended below a construction activity to protect materials and people that may fall from dangerous heights.
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| stair nosing with abrasive non-slip strip surface flush with tread surface.
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