ground airport equipment 
Equipment and materials for preparing an aircraft for its next flight; this includes cleaning, performing checks, refueling and boarding.
Vehicle whose articulated arms raise and lower a level platform for loading and unloading heavy cargo such as containers and cargo on pallets.
Conveyor belt of adjustable height for loading and unloading baggage and cargo.
Truck whose box can be lifted up to the aircraft; it delivers the food and drink to be served to passengers.