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| Queen closure
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Vertically split brick, which becomes a full-length brick that is only 2 inches wide rather than four inches wide, the normal width of brick. The queen closure is placed next to the last brick in the row, forming an "English" corner. |
| Queen post
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Vertical supporting posts in a post and beam roof construction. |
| Quenching
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Cooling metal rapidly by using water, cold air or oil. |
| Quick assets ratio
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Balance sheet used to quickly discover the financial health of a business by checking the ratio of current assets without inventories (liquid assets) to current liabilities. A ratio of 1:1 is acceptable. |
| Quick drying
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To cause solvent-based paints, which dry by oxidation of polymerization, to dry rapidly, oxidation or polymerization agents are added to the oil-based paint. Soaps, which result from a reaction between a metal oxide, such as cobalt, zinc, calcium or manganese and an organic acid such as petroleum-based naphthenic acid. Driers are soluble in the paint vehicle. |
| Quick lime
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Also called fat lime, or rich lime, calcium oxide (CaO) is a caustic lime that is created by burning a pure or nearly pure limestone. It is mixed with water, making it putty-like in substance, and is used in finish coats of plastering. |
| Quick set
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Used when normal drying is too slow, this fast-setting drywall joint compound has chemical accelerators added to speed reaction and drying time. Since too much accelerator causes cracking and shrinkage and shortens the working life of the compound, it is used only when necessary. |
| Quick setting asphalt cement
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In cold weather or when cement must set up quickly, this roof cement made with a fast-evaporating solvent is used. |
| Quick start drill bit
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Quick start drill bits allow for faster workpiece feeds and drill speeds used in industrial conditions. |
| Quick valve
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Valve, which opens and closes with only a quarter turn. |
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