Ключевые слова: alcohol, antibacterial, bacteria, big cleaning, caution, chair, cheerful, cleaner, cleanup, curtain, desk, dining room, female, glove, hand, happy, helper, holding, hong kong, housekeeper, hygiene, infection, japanese, job, liquid, maid, manual, occupation, professional, protection, sanitation, service, spray, staff, table, thai, virus, wiping, woman, wood, worker, young,