Ключевые слова: activity, blue, business, clay, clearing, cloud, construction, day, digging, dirt, distribution, dredging, dump, dust, earth, engine, engineering, excavate, excavator, expansion, filling, gear, growth, heap, heavy, industry, ladle, landscape, loading, machinery, machines, mine, natural, nature, outdoors, power, production, quarry, shovel, sky, soil, strength, surface, texture, tipper, transportation, tree, truck, water, working,