Ключевые слова: 5055 years, adult, builder, building, caucasian, cheerful, construction, contract, document, documentation, engineer, engineering, factory, folder, helmet, industrial, industry, joyful, male, man, manufacture, manufacturing, matured, note, occupation, operator, outdoors, paper, paperwork, people, person, plant, positive, production, profession, professional, report, smile, smiling, specialist, technician, vest, work, worker, workman, write,