Ключевые слова: above, aerial, australia, big, cast, coal, construction, copper, danger, deep, dig, drive, drone, earth, ecology, engineering, environment, equipment, excavate, excavation, excavator, geology, gold, heavy, hole, industrial, industry, landscape, large, machine, machinery, mine, mineral, open, opencast, ore, pit, quarry, road, rock, sky, stone, surface, terraces, transportation, truck, vehicle, view, work, yellow,