Ключевые слова: attention, barrier, beacon, blocked, building, building industry, building site, car, caution, city, civil engineering, construction, construction company, construction industry, construction pit, construction site, cordon, danger, dangerous, fence, foundation, grillage, industry, obstacle, outdoor, outdoors, pit, protection, repair, restriction, road construction, safety, security, shallow depth of field, sign, signs, site, street, symbol, traffic, transport, transportation, urban, warning, warning light, white, wood, work, yellow,