Ключевые слова: arc, build, construction, craftsman, danger, dangerous, engineering, equipment, fire, flame, flash, gas, high angle, hot, industrial, industry, job, labor, laborer, light, maintenance, man, manual, manufacture, manufacturing, occupation, production, protection, protective, repair, repairing, roof, safety, skill, smoke, spark, structure, technical, tool, torch, weld, welded, welder, welding, work, worker, workplace, workshop,