Ключевые слова: adult, attractive, bicycle, bright, busy, construction, cut, emotion, engineering, equipment, factory, festival, flash, grinder, grinding, hand, holiday, industrial, industry, iron, job, light, machine, machinery, man, manual, manufacturing, metal, motion, new, night, occupational, operating, people, power, production, protection, safety, spark, steel, technology, tool, turning, watching, welding, wire, work, worker, workshop, year,