Ключевые слова: construction, craftsman, engineering, equipment, factory, fire, flash, helmet, industrial, industry, iron, job, laborer, light, machine, man, manual worker, manufacture, manufacturing, mask, metal, occupation, production, protection, repair, safety, skill, skilled, smoke, spark, sparks, steel, technical, technology, tool, weld, welder, welding, work, work tool, worker, workplace, workshop,