Ключевые слова: assembly, banner, build, construction, craftsman, dust, electric, entrepreneur, equipment, fabrication, factory, fire, gloves, happy, industrial, industry, iron, job, labor, learning, light, machine, machinery, man, manual, manufacture, manufacturing, mask, men, metal, portrait, power, production, protection, repair, safety, shipyard, skill, smile, smoke, spark, steel, structure, student, technical, tool, training, welder, work, worker,