Answer:
I help engines spin and pants stay up.
A butcher is 6 feet tall and wears size 12 shoes. What does he weigh?
I am the only vegetable or fruit that is never sold frozen canned processed or in any other form but fresh.
I am a rock group with four members all of whom died in plane crashes. Who am I?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
No matter how little or how much you use me, you change me every month.