Answer:
Taken from a mine and then locked up in a wooden case. I am used by students everyday.
I am rarely touched but often held and if you are smart you'll use me well.
Which word does not belong in the following list: Stop cop mop chop prop shop or crop?
A piece of paper that takes most people 3 or 4 years to get.
What goes into the water black and comes out red?
The answer I give is yes, but what I mean is no. What was the question?