Ключевые слова: bank, blue, bucket, build, canyon, chalk, chalkquarry, clear, construct, day, deposit, dig, dirt, dragline, earth, earthmover, environmental, equipment, excavator, expand, extract, extraction, gravel, ground, hill, hoist, industrial, industry, landscape, large, limestone, machinery, mining, mountain, natural, old, operate, pile, pit, quarry, rock, sky, stone, summer, vehicle, walking, work,