Ключевые слова: adult, adults only, bluecollar worker, confidence, construction industry, engineering, expertise, factory, flash, horizontal, industry, manufacturing, metal, metal industry, metalwork, occupational safety and health, one person, people, professional occupation, protection, protective glove, protective workwear, safety, skill, spark, steel, technology, welder, welding, welding helmet, welding torch, work tool, working, workshop,