Ключевые слова: artificial, canyon, chalk, chalk pit, construction, development, dig, digger, dirty, dolomite, dragline, earth, earthmover, earthmoving, ecology, environment, environmental, equipment, excavation, excavator, extraction, geology, granite, heavy equipment, heavy machinery, heavyduty, huge, industrial, industry, land, limestone, loader, machinery, mine, miner, mineral, mining excavator, mountain, mover, open cast mine, open pit, opencast, overweight, quarry, quarry equipment, rock, soil, travel, vehicle, walking dragline,