Ключевые слова: accident, accidents, assembly, at, build, building, business, cart, chest, concrete, conditions, construction, craft, economy, employee, fuse, industry, install, installation, insurance, measure, mortgages, mount, new, of, osh, prevention, profession, protection, push, risk, roped, safety, secured, signal, site, skilled, staff, trade, training, vest, wheelbarrow, work, worker, workers, working, world,