Ключевые слова: background, backhoe, blue, bucket, building, bulldozer, business, car, childhood, concept, construction, contractor, dig, digger, earthmover, equipment, excavator, game, heap, heavy, hydraulic, industrial, industry, isolated, kid, loader, machine, machinery, model, orange, plastic, play, power, push, scoop, shovel, toy, toy store, tractor, transport, transportation, truck, vehicle, wheel, white, work, worker, yellow,