Ключевые слова: activity, asphalt, backhoe, builder, building, chipper, city, concrete, construction, dig, dirty, drill, equipment, excavation, excavator, gravel, hammer, hard, helmet, hole, industrial, industry, job, labor, laborer, machine, machinery, man, orange, outdoor, pavement, paving, people, pipe, pit, reconstruction, repair, road, roadwork, rock, shovel, site, street, tool, trench, uniform, urban, vehicle, work, worker,