Answer:
I cannot be used until I have been broken. What am I?
What kind of room has no doors or windows?
It moves around in circles. We see it as we turn. It keeps us always warm. Always alive and always dying, Across the sky we see it flying, But touch it and we burn.
When we stand up it lies flat. When we lie back it stands up.
What has a spine, tail, and leash but isn't a dog?
I start with T end with T and within me is T.