Ключевые слова: bucket, caterpillar, digging, dirt, ditch, dozer, dredge, earth, equipment, excavating, excavator, geology, heavy, hill, hydraulic, industry, iron, land, loading, machine, machinery, mineral, mining, mover, power, quarry, resource, rock, rusty, sand, scoop, shovel, soil, steel, vehicle, work, working, yellow,