Answer:
Six letters do my name compound; among the aged oft I'm found; The shepherd also by the brook hears me when Leaning on his crook; but in the middle me divide and take the half on either side each backward read a liquor tell ev'ry gay toper knows it well.
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
I fly away as soon as you set me loose. People around you may slowly move away once they sense my presence.
You turn me over after you have travelled far.
I help engines spin and pants stay up
What did the piece of wood say when he saw the screwdriver and screws approaching?