Mainly there are some things, the largest is the hangar, usually seven or eight meters high, different carriers will have different sizes of hangars, generally the larger the carrier hangar naturally the larger, and hangars inside the repair and maintenance of warplanes and equipment; there are also ammunition depots, aviation fuel tanks, power plant, reactor compartments, dormitories, dining room, bathrooms, laundry, smoking rooms, toilets, kitchens, warehouses, recreation rooms, gyms, command rooms, control rooms, engine rooms and so on, there are thousands of rooms inside the structure is very complex.
There are also equipment and places for repairing and maintaining fighter aircraft; there are also restaurants, bathrooms, laundry rooms, smoking rooms, toilets, kitchens, warehouses, recreation rooms, gymnasiums, command rooms, control rooms, engine rooms ------ and so on.