Ключевые слова: big, blueprint, boom, bucket, chain, coal, destruction, dig, dragline, dragrope, drawing, dredger, dust, earth, equipment, excavation, excavator, exploration, heap, heavy, hoistloader, huge, industrial, industry, line, machine, machinery, mine, mining, model, mover, ore, outdoors, outline, overburden, power, quarry, rock, sketch, structure, transport, transportation, walking, wire frame, wireframe, work, worker,