Ключевые слова: aerial, architecture, breaking, bridge, building, bulldozer, cat, concrete, construction, contractor, crane, crash, damage, danger, demolish, demolishing, destroy, destruction, development, digger, dirty, down, drill, dust, engineering, equipment, excavator, hard, heavy, high up, highway, industrial, industry, machine, machinery, metal, operation, road, safety, shake, shot, site, structure, tractor, traffic, transportation, view, warsaw, work,