Ключевые слова: blue, bucket, build, canyon, chalk, chalkquarry, clear, construct, day, deposit, dig, dirt, dragline, earth, earthmover, environmental, excavator, expand, gravel, ground, hoist, industrial, industry, landscape, large, machinery, mining, mountain, natural, open, operate, ore, pile, pit, pond, quarry, rock, scenery, sky, stone, summer, take, tranquil, vehicle, walking, water, work,