Ключевые слова: accident, builder, building, construction, constuction, contractor, danger, emergency, employee, engineer, engineering, engineers, factory, fall, first aid, harbor, hard hat, hardhat, helmet, hight, industrial, industry, job, labour, manager, men, occupation, oil, outdoors, people, plant, professional, safety, scaffolding, site, support, team, trainer, training, two, warehouse, woman, work, worker, workers, working, yellow,