Ключевые слова: bentonite, bulldozer, copper, curve, cut, deep, dig, digging, dirt, dragline, dump, dust, earth, environment, environmental, equipment, excavate, excavation, excavator, exploitation, extracting, freight, geology, gold, ground, hole, industrial, industry, kaolin, large, machine, machinery, metal, mine, mineral, mining, open, pit, pollution, quarry, resource, rock, shoveling, silver, site, stone, technology, terrace, transportation, truck,