Answer:
What do you fill with empty hands?
You use a knife to slice my head. And weep beside me when I am dead.
What flares up and does a lot of good, and when it dies is just a piece of wood?
A device for finding furniture in the dark.
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.