... The place of life and work: building's interior and exterior, living room, office,conference rooms, computer rooms ... ,kindergartens, pet hospitals, nursing homes, hotels,toliet, smoking room, KTV and restaurants, etc.Spescific place: school, hotel, ... Household applicances: kitchen, restaurants, dishes, bathroom, toilet, living room,curtains, walls, ceilings, toys,furniture, storage tanks, garbage, ...