Ключевые слова: blue, collar, engineer, engineering, equipment, factory, fettler, fitter, industrial, industry, instrument, joiner, labor, laborer, mainenance, man, manufacture, manufacturing, mechanic, mechanician, metal, metalworker, operative, plant, positive, processing, production, repairman, service, serviceman, setup, spanner, steel, technical, technology, tool, work, worker, workman, workshop, wrench,