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