Ключевые слова: architect, build, builder, busy, commercial, construction, construction worker, contractor, covering, dangerous, drill, drilling, electric, engineer, equipment, fitter, hard hat, hardhat, harness, helmet, house, immigrant, industry, instrument, job, labor, layer, metal, occupation, profession, renovation, risk, roof, roof top, roofer, roofing, rooftop, routine, safe, scaffolding, structure, sunset, support, tiling, uniform, worker, working, workman,