Ключевые слова: adult, adults only, bluecollar worker, casting, color image, construction, crew, engineer, equipment, expertise, fabrication, facility, factory, forging, hardhat, headwear, heavy, horizontal, industrial, industry, machinery, maintenance, man, manufacturing, men at work, metal, metallurgical, metalwork, metalworking, occupation, operation, people, plant, process, processing, production, progress, protection, protective workwear, safety, site, skill, skilled, teamwork, technology, tool, welding, work, working,