1, Attendant: Attendant is one of the most basic tasks of airport ground handling. They are mainly responsible for passengers' check-in, baggage security check, etc., and they also need to answer passengers' questions patiently and meticulously.

2. Security personnel: Security personnel are airport security personnel who are responsible for checking whether passengers and their luggage carry dangerous goods to ensure the safety of the aircraft.

3. Bellman: The bellman is responsible for guiding the passengers to put their luggage in the designated position, helping them to carry the overweight luggage, and at the same time, carrying out safety inspection on the luggage.