Ключевые слова: background, building, business, cargo, children, city, commercial, concrete, construction, crane, danger, day, digging, dirt, distribution, dust, equipment, excavator, forklift, freight, industry, infants, isolated, land, landscape, light, lorry, machine, metal, moving, object, outdoor, people, repair, road, service, ship, shipping, street, toy, toy car, tractor, transport, truck, urban, water, wheel, work, yellow, yellow bucket,