Ключевые слова: adult, adults only, bluecollar worker, construction, engineer, engineering, equipment, factory, fire, flame, flash, gas, heat, helmet, horizontal, industrial, industry, iron, job, machine, man, manufacture, manufacturing, mask, men at work, metal, metal industry, metalwork, occupation, one person, person, production, protection, safety, skill, spark, steel, steel mill, technical, tool, torch, welder, welding, welding torch, work, work tool, working, workshop,