Ключевые слова: arch, background, battery, brilliant, burn, craft, craftsman, cutting, danger, dangerous, disc, electric, energy, engineering, factory, flames, flash, grinder, heat, high, hot, industrial, industry, light, line, machine, manufacture, manufacturing, metal, power, powerful, production, protection, safety, saw, science, spark, technical, technique, technology, tools, warehouse, weld, welder, welding, work, worker,