Answer:
What can you easily break but never touch?
They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.
What freezes after it is heated up?
It's tough as nails, Or soft as snow. People use it for their rink, Some just put in their drink.
Doing this with your job can be risky but doing it with smoking is always a good idea
What language does a billboard speak?