Ключевые слова: architect, architectural, architecture, background, bucket, building, business, check, construction, control, engine, engineer, engineering, equipment, estate, excavator, hand, helmet, holding, industrial, industry, inspection, inspector, instrument, job, lights, management, manager, mechanical, paper, people, professional, project, protective, safety, site, structure, supervisor, technician, technology, tool, urban, work, worker, workplace,