Hotel pa is the cleaning staff of the hotel. Cleaning staff are divided into supervisors, foremen and employees. The quality of hotel PA is actually the best yardstick to measure a hotel. The main job of hotel PA is to provide guests with a comfortable, clean and convenient living environment by cleaning and maintaining public areas. Hotel is a comprehensive facility providing accommodation, catering, entertainment and other services. Their history can be traced back to ancient inns where travelers can rest and replenish. Modern hotel industry originated from/kloc-0 at the beginning of the 9th century, and the first luxury hotel, Trimonte Hotel, opened in Boston on 1829. Later, many famous hotels appeared in Europe and America, such as Plaza Hotel in new york and hotel ritz in Paris.