Ключевые слова: ai, attitude, background, bight, bright, cap, career, cheerful, commuter, confident, day, daytime, employee, friendly, greeting, happy, hat, job, navy, neat, occupation, officer, orange wall, person, portrait, professional, public transport, rail, railway, service, service industry, smile, smiling, standing, station, stylish, tidy, train conductor, train service, transit, transportation, travel, travel industry, uniform, vibrant, wall, warmth, worker, yellow,