Answer:
I am longer than a decade and shorter than a millennium
I'm white and I'm used for cutting and grinding. When I'm damaged people usually remove me. What am I?
Why is it so easy to weigh fish?
I have wheels and flies yet I am not an aircraft.
I can speak with my hard metal tongue. But I cannot breathe, for I have no lung. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.