Ключевые слова: beam, build, building, construction, danger, equipment, erection, fabricate, factory, hand, hat, hot, house, industrial, industry, iron, job, laborer, labourer, level, light, male, man, manufacturing, mask, metal, object, occupation, person, professional, protection, safety, site, skill, skilled, spark, steel, structure, tool, weld, welder, welding, work, worker, workman, workplace,