Answer:
As light as a feather, but you canβt hold it for ten minutes.
My teeth are sharp, my back is straight, to cut things up it is my fate.
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
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.
I'm very tempting, so its said, I have a shiny coat of red, and my flesh is white beneath. I smell so sweet, taste good to eat, and help to guard your teeth.
What language does a billboard speak?