Answer:
I go up, let out a load and then go back down. What am I?
I hold two meanings. With one I may be broken, with the other I hold on. What am I?
Cold head and feet; round as a ball; always turning around myself.
What force and strength cannot get through, I with my unique teeth can do. What am I?
I help engines spin and pants stay up. What am I?
you hold my tail while I fish for you