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открытая горная выработка contraintes
génér.	opencast mining
constr.	open excavation
expl.	open working; opencast
Gruzovik, expl.	opencast mining
géol.	open pit; open-cut mining; open-cut; open-pit mining; open-pit working; opencast workings
makar.	glory hole
techn.	excavation; open-cast mining; open cut
открытые горные выработки
expl.	surface workings
or;extr.	open-pit workings (Leonid Dzhepko)