Ключевые слова: accident, aid, alone, architecture, asian, assistance, broken, building, care, climbing, construction, crane, crash, danger, dangerous, disaster, emergency, employee, engineer, engineering, factory, fall, first aid, floor, hardhat, health, helmet, help, hospital, hurt, industrial, iron, leg, lifting, machine, maintenance, male, man, outdoors, red, safety, site, structure, supervisor, technician, tower crane, transport, work, worker, young,