Ключевые слова: activity, architecture, building, career, commercial, concrete, construction, contractor, design, employment, engineering, evening, gear, hard, has, helmet, industrial, industry, inspection, job, laboratory, maintenance, management, manual, materials, outdoor, outdoors, panels, physical, planning, preparation, profession, progress, project, red, regulations, responsibility, safety, site, standards, structure, task, tasks, teamwork, tools, urban, wall, worker, workforce, workmanship, zone,