Answer:
I help engines spin and pants stay up. What am I?
You throw away my outside you cook my inside. Then you eat my outside and you throw away my inside.
Glittering points that downward thrust. Sparkling spears that never rust.
Every night I'm told what to do and each morning I do what I'm told. But I still don't escape your scold
I am a red drum which sounds without being touched, and grows silent, when touched. What am I?
No matter how little or how much you use me, you change me every month.