Ключевые слова: blue, bucket, calx, canyon, caterpillar, chalk, day, deposit, dig, dirt, dragline, earth, earthmover, environment, environmental, equipment, excavator, extract, extraction, get, gravel, hoist, industrial, industry, landscape, limestone, line, long, machinery, mine, mineral, mining, mountain, natural, old, open, operate, pile, pit, quarry, rock, sky, stone, summer, sunny, walking, work,