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| Crescent wrench
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Trade name of an open-ended wrench with jaws, which adjust so that only one wrench is needed to fit a large number of fastener head of different sizes. |
| Crest
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The peak of a ridge. |
| Crested
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Cockscomb-like growth of leaves, stems or flowers. Other name. |
| Crib
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(1) Framework of wooden or metal bars for support or strengthening, as in a mine. (2) Barrier that reduces the rate of flow in a river and also contains and stores floating logs. (3) Small dwelling or room or space. (4) Grain storage bin. |
| Cribbing
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(1) Placement of wood to keep a load from moving during transit. (2) Framework of timber lining and supporting a mineshaft. (3) Trenching a narrow area with a backhoe in a way so as to allow the areas on either side of the trench to remain untouched. The soil is placed in the trench close to the machine and removed as the trenching progresses. |
| Cricket
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Small gable-like roof structure used to divert water and debris from intersection of sloping roof and chimney; also called a saddle. |
| Crimp
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(1) Mechanical clinching of sheet metal pieces for fastening purposes or to make material less flexible. (2) To evenly fold into corrugations. (3) Fold sheet metal for seams. |
| Crimping tool
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(1) Tool shaped like a pair of pliers, which is used to make corrugations in the end of a sheet metal duct to reduce its size. (2) Tool that is used to squeeze an electrical connector tightly around a conductor. (3) Tool used to clinch metal studs or corner beads in place without additional separate fasteners. |
| Cripple
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Short stud used, in wall framing, between a top plate and a header or a sill and a sole plate. |
| Cripple stud
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Short stud used as support in wall openings that replaces a normal 93 inch or 96 inch stud. |
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