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| Bole
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The area of a tree trunk that is from the ground to the first major branch. |
| Bolection
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Heavy raised molding which appears to be carved when installed to a door surface. |
| Bolster
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Short horizontal wood or steel beam used on the top of a column to support and decrease the span of beams or girders. Alternately, brick or stone cutting chisel, which is also called a boaster. |
| Bolt
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(1) Metal rod or pin, normally threaded and having a head or socket, easily gripped by a wrench, which is used with a nut to fasten things together. Alternately, a sliding lock. (2) Annual vegetables or flowers that grow quickly to flowering stage, at the expense of their best overall development, and go to seed. |
| Bolt cutter
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Metal cutting device that has cutting jaws and long handles to provide leverage. |
| Bolt extractor
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Used to remove bolts that have broken off inside of something, this thin, tapered bolt-like rod also has a steep left-hand thread. A hole is drilled into the broken-off bolt and the bolt extractor is inserted and turned counter-clockwise, removing the bolt. |
| Bolting
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Vegetables which quickly go to flower rather than producing the food crop. Usually caused by late planting and too warm temperatures. |
| Bona fide
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Latin term referring to persons or actions that are in good faith and honest. |
| Bond
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(1) Agreement insuring one party against loss by actions or defaults of another. (2) The adherence of one material to another. |
| Bond beam
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Continuous beam on top of supporting walls, usually constructed of concrete and often being reinforced with steel rods. This supplies lateral support as well as distributing concentrated vertical loads along the wall. |
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