You're not allowed to take:
items such as knives, scissors, tweezers and laser pointers
Any sharp items found in hand baggage will be confiscated.
Liquids that exceed 100ml are not allowed.
The list is a live and changing document. A link to the TSA prohibited list is below. You cannot carry a gun, knife, battle tank, battle ship and battle cruiser.
No aerosols are allowd on any airline
simple things
It depends on your airline, you should always check with them directly to avoid costly overweight charges.
The FAA allows a pilot to carry a gun on a high-risk flight, but normally it is done by sky marshals.
Yes you are allowed to carry on your own food to a Delta international flight.
it depends on which airline you are flying with,
It depends on the airline.
The luggage allowance, both checked and carry-on, is at the discretion of the operating airline. There is no operating allowance.
The size of the allowed carry-ons vary from airline to airline. Some charge for extra carry on, some charge for every piece. Any box larger than a laptop case will have to be checked as parcel baggage. There may be extra charges for this, too.
Hand sanitizer or anything that is alcohol based
Yea! How else should you be able to carry around your things?
yes