Ключевые слова: agriculture, all equipment, background, barley, business, car, caterpillar, child, childhood, coal, coal mining, construction, cultivated, design, dig, dirty, drive, dry, earth, excavation, excavator, extraction, farm, farmer, field, fuel, fun, game, grain, growth, harvest, ideas, incision, insurance, investment, machinery, nobody, object, ore, pit, plan, plant, toy, tractor, transport, transportation, vehicle, wheat, work, yellow,