Ключевые слова: aerial, cargo, cast, coal, crane, deep, dig, digger, digging, dirty, dumper, engineering, environment, equipment, excavation, excavator, extract, extraction, extractive, geology, heavy, industrial, industry, iron, loading, machine, machinery, metal, metallurgy, mine, miner, mineral, minerals, mining, open, ore, pit, plant, processing, production, quarry, raw, resource, rock, surface, train, transport, truck, work, working,