Ключевые слова: assembly, background, black, business, construction, craftsman, engineering, equipment, fabricate, fabrication, factory, fire, flash, grinder, hardware, heat, industrial, industry, iron, job, labor, light, machine, making, manufacture, manufacturing, metal, metalwork, occupation, production, professional, repair, safety, skill, skilled, steel, table, technical, technology, tool, tools, transportation, weld, welded, welder, welding, work, worker, workplace, workshop,