Ключевые слова: accident, activity, body, bone, bone fracture, broken bone, builder, careful, casualty, construction, control, danger, dangerous, disabled, education, electric suction, emergency, employee, engineering, equipment, factory, fall, first aid, hard hat, health, heavy, height, help, hurt, industrial, industry, injured, injury, knee, knee joint, maintenance workers, man, pain, painful, protection, protective, response, safety, shock, tool, training, trauma, unsafe, worker, workout,