Unit 1 Room Reservations Unit 2 Front Desk(Ⅰ) Unit 3 Front Desk(Ⅱ) Unit 4 Bell Service Unit 5 Room Service (Ⅰ) Unit 6 Room Service (Ⅱ) Unit 7 Foreign Exchange Unit 8 Food and Beverage Service (Ⅰ) Unit 9 Food and Beverage Service (Ⅱ) Unit 10 Recreational Service Unit 11 Other Services Unit 12 Shopping Unit 13 Dealing with Complaints Unit 14 Payment Handling