Ключевые слова: angle, building, caucasian, construction, cutter, cutting, dark, electric, electrical, engineering, equipment, factory, fire, fitter, front, glove, grinder, grinding, hand tool, heavy, industrial, iron piece, job, labor, labourer, ligt, man, man industry, manufacturing, mechanical, men at work, metal, people, pipe, power, protection, protective wear, repairing, safety, smoke, spark, sparkles, steel industry, technical, tube, window, work, workshop, yellow,