Answer:
It's got twists and turns, but has no curves. Twist it to fix it, turn it to ruin it. What is it?
When the horse strokes the cat, the wood begins to sing.
What is lengthened by being cut at both ends?
I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help. Yet many people are afraid to let me help them.
What has two hands, a round face, always runs, but stays in place?
I am easy to waste and unstoppable