Answer:
I'm white and I'm used for cutting and grinding. When I'm damaged people usually remove me. What am I?
I am a lunch money thief
What word has kst in the middle, in the beginning, and at the end?
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
You cannot keep me until you have given me. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?