Ключевые слова: background, black, brilliant, cut, cutter, cutting, danger, dark, engineering, equipment, flame, flash, gas, hand, hot, industrial, industry, iron, jet, machine, made, maintenance, man, manufacture, material, metal, old, orange, overalls, pattern, plant, plasma, plate, pliers, protection, safety, site, sparks, steel, strength, strong, structural, structure, texture, unsafe, work, worker,