Ключевые слова: academic, adult, agricole, boiler, camera, caucasian, cheerful, day, education, engineer, engineering, fixing, follows, girl, half, happy, has, higher, indoors, industry, knowledge, length, looking, machinery, man, mechanic, mechanical, mechanics, middle school, portrait, repairman, school, side, smiling, students, technician, technology, using, view, young,