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Nutcracker
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
Разг. нос, сходящийся с подбородком (у беззубого) nut-hook палка с крюком для сбора орехов
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Boulder buster, английский
- A heavy, pyramidical- or conical-point steel tool, which may be attached to the bottom end of a string of drill rods and used to break, by impact, a boulder encountered in a borehole. also called boulder cracker.
- An explosive used to break rock fragments by blockholing or mudcapping methods.
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Сходящийся, русский
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Box thread, английский
The thread on the inside surface of a coupling or tubular connector. accepted by the dcdma as the standard term to be used, in lieu of female thread.
Bottle gas, английский
A gas consisting of volatile hydrocarbons, from propane to pentane, mixed with hydrogen and methane under pressure. it withstands pressure 536427 o—60 2 and hence may be transported in steel tanks under pressure in liquefied form. may be used as a fuel to operate combustion-type engines in lieu of gasoline. sold under various trade names but more commonly known as propane, butane, lp gas, blau gas, or blue gas.
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