Answer:
I shave several times a day, yet I still have a beard. Who am I?
You fill it and it empties, A metaphor for plenty, Depending on what half you see, It's either full or empty
They are the group who manages the winged engines of war.
A job that involves sitting in a highchair, wearing a black gown and smacking things with a mallet
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.