| In welding, a crack in the heat-affected zone not extending to the surface of the base metal.
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| To bid less than a competing bidder.
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| Having too little capital for efficient operation.
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| A coating applied prior to the final or top coat of a paint job; second coat in three-coat work or first coat in repainting.
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| A course of shingles laid beneath an exposed course of shingles at the lower edge of a wall or roof, in order to provide a waterproof layer behind the joints in the exposed course.
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| A groove at the base metal adjacent to the toe of a weld and left unfilled by weld metal.
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| 1. Perforated pipe drain installed in crushed stone under a slab to intercept ground water and drain it away from the structure. 2. The distribution system at the bottom of a sand filter to collect the filtered water during a filter run and to distribute the backwash water during backwash.
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| An estimate that is too low.
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| A round or rectangular metal pipe placed under a wood floor construction or in a concrete floor to distribute warm air from a heating or air conditioning system.
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| A ceramic decoration applied directly on the surface of ceramic ware and subsequently covered with a transparent glaze.
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| Insulated electrical cable suitable for underground use.
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| The excavation and removal process of a storage tank buried in the ground.
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| A container that holds various liquid or solid matter and is found underground.
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| subterranean.
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| Wallpaper without a basic background color.
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| 1. One or more layers of felt applied as required for a base sheet over which finish roofing is applied. 2. See Carpet Padding.
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| A material placed under finish coverings, such as flooring or shingles, to provide a smooth, even surface for applying the finish.
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| The process of placing new foundations beneath an existing structure.
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| The process of continuous interception and removal of ground water from under a concrete slab with the installation of perforated pipe.
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| A color covered up by other colors but when viewed by transmitted light, shows through the other colors modifying the effect.
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| A lighting fixture designed to illuminate a pool from beneath the water surface; it can be wet-niche, located in the pool water, or dry-niche, located in the pool wall and serviced from outside the pool.
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| An organization which classifies roof assemblies for their fire characteristics and wind-uplift resistance for insurance companies in the United States.
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| 7 Crouse Road, Scarborough, Ontario, Canada M1R 3A9, (416) 757-3611.
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| 333 Pfingsten Road, Northbrook, Illinois 60062, (708) 272-8800.
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| Joint ownership of an interest in the whole property rather than in a specific identifiable part
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| A program funded by employers based on the wages of employees, paid on a quarterly basis to the Unemployment Insurance Fund from which benefits are paid to qualifying ex-employees.
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| Real property that has no liens, encumbrances, easements, or debt; free and clear.
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| A steel angle in which the two legs are of different lengths.
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| Insulation which has been manufactured without a vapor barrier.
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| An ordinary carbon steel bolt.
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