Ключевые слова: adult, boiler, business, checking, company, computer, craft, engineer, engineering, equipment, factory, group, hardware, industry, instrument, lathe, line, machine, machining, man, manufactory, measuring, mechanic, mechanician, metal, ncc, operative, operator, seedling, steel, technical, technology, toolroom, unfinished, weld, woman, work, worker, workers, workshop,