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| Caster
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Small wheel with freely rolling ball, which is attached to each leg of a piece of furniture, allowing it to move easily. |
| Casualty loss
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Loss, which arises from the destruction of property resulting from circumstances of an unanticipated or unusual nature. |
| Cat faces
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Small depressions in the finish coat of plaster which happen due to depressions in the brown coat of plaster. Correction occurs when plaster is floated. |
| Cat short
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Used to stiff and strengthen wall in a house, these 2 x 4's are installed between wall studs in a line halfway up the height of the stud. Also serving as a nailing surface, there can be more than one line if the studs are extra length. |
| Cat's eyes
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Weld defect in which a small piece of foreign matter or a hole is encircled by a bright area. Also referred to as fish eyes. Alternately, defective paint surface spotted with rainbow patterned rings. |
| Cat's paw
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Rounded cross section pry bar, which has notched and flattened ends, one of which is bent at right angles to the bar, to pull nails. |
| Catalyst
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A substance that effects a chemical reaction and/or the rate at which a chemical reaction takes place. In roofing, catalysts are used in SPF roofing. |
| Catalytic coating
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Paint-like surface, which hardens by chemical reaction. |
| Catalytic converter
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Device that is part of the exhaust system of a vehicle and contains a chemical catalyst to reduce pollution emissions. |
| Catalytic reaction
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A chemical reaction, which employs a catalyst. A catalyst is a substance that aids a reaction but remains unchanged. Examples of catalytic reactions include catalytic converters in automobiles that use platinum to reduce pollution emissions and boat resins, which are hardened (or cured) using a catalyst.
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