Answer:
What is made of wood but can't be sawed?
This thing all things devours: Birds, beasts, trees, flowers; Gnaws iron, bites steel; Grinds hard stones to meal; Slays king, ruins town, And beats high mountains down.
What can be forever wound up but never annoyed?
What goes in the water black and comes out red?
A hill full, a hole full; yet you cannot catch a bowl full. What is it?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.