Ключевые слова: background, barrier, business, city, closeup, construction, construction barrier, construction site, danger, engineering, equipment, fence, in progress, industrial, industry, job, maintenance, manufacturing, mesh, metal, metal works, net, occupation, orange, outdoors, overcast, pattern, people, pipeline, plastic, production, protection, protective, roadside, safety, security, settlement, sign, site, street, striped, symbol, tool, trench, urban, warning, wire, work, worker, working,