Answer:
If you are unsure how to use one then just ask a flight attendant.
Doing this with your job can be risky but doing it with smoking is always a good idea
In what year did Christmas Day and New Year's Day fall in the same year?
When it's dirty this should never be aired in public.
Sometimes you feel it weigh a ton. Yet it is nothing, but somehow still there. Makes you uncomfortable around anyone, But speak its name and it's gone.
It rows quickly with four oars but never comes out from under his own roof. What is it?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?