Ключевые слова: activity, asphalt, big, bucket, building, bulldozer, business, close, concept, concepts, construction, crane, digger, duty, earth, earthmover, equipment, excavation, excavator, hand, heavy, industrial, industry, loader, loading, machine, machinery, man, mine, mining, moving, parts, paving, power, reliable, roller, tracks, tractor, transportation, truck, up, vehicle, work,