drawhole

Mira otros diccionarios:

• drawhole — /draw hohl /, n. Mining. a funnel shaped vertical opening cut at the bottom of a stope, which permits the loading of ore into conveyances in the passageways below. Also called glory hole, mill hole. [DRAW + HOLE] * * * …   Universalium

• drawhole — /draw hohl /, n. Mining. a funnel shaped vertical opening cut at the bottom of a stope, which permits the loading of ore into conveyances in the passageways below. Also called glory hole, mill hole. [DRAW + HOLE] …   Useful english dictionary

• mill hole — Mining. drawhole. * * * …   Universalium

• mill hole — noun 1. : glory hole 4 2. : an excavation adjacent to mine workings to obtain waste rock for filling stopes * * * Mining. drawhole …   Useful english dictionary