Ключевые слова: activity, background, builder, building, cement, concrete, construction, contractor, economic, employment, equipment, floor, government, gravel, house, improvement, industrial, industry, infrastructure, job, labor, liquid, man, mason, metal, mix, mixer, mortar, municipal, outdoor, pavement, paving, pour, pouring, public, renewal, repair, road, roadworks, service, shovel, sidewalk, street, surface, tool, trowel, urban, wet, work, worker,