Ключевые слова: architect, architecture, background, build, builder, building, business, closeup, clothing, color, construction, contractor, danger, design, development, drawing, employment, engineer, engineering, equipment, glove, hard, hardhat, hat, head, helmet, industrial, industry, job, labor, lying, maintenance, office, plan, plastic, professional, project, protect, protection, protective, safe, safety, site, teamwork, technology, tool, white, work, worker, yellow,