Ключевые слова: accident, action, architecture, background, basic, belt, body, builder, building, concept, construction, contractor, danger, dangerous, emergency, employee, engineer, engineering, equipment, experience, factory, fall, first aid, floor, group, health, height, helmet, help, incorrect, industrial, industry, job, labour, male, man, occupation, outdoor, people, professional, safety, safety first, scaffolding, service, site, trainer, training, work, worker, workers,