Answer:
If you are unsure how to use one then just ask a flight attendant.
You're currently trying to solve one
A house where you are brought, If they find you or get caught. If you cross the government, This is where you will be sent.
What can travel around the world while staying in a corner?
I occur twice in eternity. And I'm always within sight.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?