Answer:
What is never used unless it's in a tight place?
You get many of me, but never enough. After the last one, your life soon will snuff. You may have one of me but one day a year, When the last one is gone, your life disappears.
What does a WW1 Trench, A Submarine and a Popular Phone App all have in common?
What kinds of men are always above board?
What has a bell but isn't a church. Is full of air but is not a balloon?
What do angels sing in the shower?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?