Answer:
I help engines spin and pants stay up.
What can go up a chimney down but canโt go down a chimney up?
I have a name written on me, but it isnโt my name. Men plant me, but I never grow. They look at me and see their future, rotting in my bloom.
You have to travel far before you turn it over. What is it?
You throw me out when you want to use me, but take me in when you donโt want to use me. What am I?
Give it food and it will live, give it water and it will die.