- walling crib
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• венец шахтной крепи• комбинированный опорный венец
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
walling crib — noun : a heavy timber or cast iron ring built into the wall of a mine shaft to support the lining … Useful english dictionary
Rural crafts — refers to the traditional crafts production that is carried on, simply for everyday practical use, in the agricultural countryside. Once widespread and commonplace, the survival of some rural crafts is now in doubtFact|date=July 2008.Not being… … Wikipedia