According to TSA regulations, liquids in carry-on luggage must be in containers of 100ml or less.

Lighters are prohibited in carry-on luggage due to the risk of fire.

For domestic flights, it is recommended to arrive at the airport at least 2 hours before departure to allow sufficient time for check-in, security screening, and boarding.

All metal objects, including keys, coins, cell phones, and wallets, should be removed from your pockets before going through the metal detector to avoid setting it off.

The body scanner in airport security is used to detect weapons and explosives hidden on a person's body.

If you have a medical condition that requires you to carry medication or medical devices, you should inform the security officer, pack your medication in a clear bag, and bring a doctor's note to explain your condition.

Sharp objects, liquids over 100ml, aerosols, and electronics are allowed in checked luggage but not in carry-on luggage.

The maximum weight allowed for checked luggage is typically 23kg (50 pounds).

Explosives, flammable liquids, and corrosive substances are prohibited in both carry-on and checked luggage.

If you have a question or concern about airport security, you can ask a security officer, contact the TSA helpline, or check the TSA website for more information.

The pat-down search in airport security is used to detect weapons, explosives, prohibited items, and hidden items.

Liquids in containers of 100ml or less are allowed in carry-on luggage but not in checked luggage.

The maximum size allowed for carry-on luggage is typically 56cm x 36cm x 23cm (22 inches x 14 inches x 9 inches).

Electronics are allowed in both carry-on and checked luggage.

If you have a disability or medical condition that affects your ability to go through airport security, you should inform the security officer, request assistance from a TSA officer, and bring a doctor's note to explain your condition.