Since airlines started selling the food on the plane, many people bring their own food on board. You can purchase food in the terminal after the security checks.
Something like a salad might not get through TSA. It would have to be wrapped and salad dressing might be prohibited - and you would have to figure out how to keep it cold until you would want to eat it.
Yes, you can bring a book on a plane.
No, it is not permissible to bring a sword on a plane.
Brought is the past-tense of the verb "to bring".I told her to bring pasta salad to the picnic, but she brought potato salad instead.
Yes, you can bring a fork on a plane in your carry-on luggage.
Yes, you can bring a notebook on a plane in your carry-on luggage.
Yes, you can bring a thermometer on a plane in your carry-on luggage.
Yes, you can bring books on a plane in your carry-on luggage.
Yes, you can bring your contacts on the plane with you in your carry-on luggage.
Yes, you can bring a shaver on a plane in your carry-on luggage.
No, you cannot bring a butter knife on a plane.
Yes, you can bring a fork on a plane in your carry-on luggage.
Yes, you can bring a thermometer on a plane in your carry-on luggage.