Ключевые слова: accident, action, background, basic, belt, body, builder, concept, construction, couch, danger, dangerous, emergency, employee, engineer, equipment, experience, fall, first aid, floor, group, health, height, helmet, help, incorrect, industry, job, labour, male, man, occupation, outdoor, outdoors, people, person, professional, protect, risk, safety, scaffolding, site, sitting, slippy, sore leg, support, training, woman, work, young,