Answer:
i think its all of the items listed here
Explanation:
.
Answer: I knew the answer but I don’t remember it
Explanation:

To prevent warping, thin, organic bonded wheels such as those used for cutting-off should be laid flat on a horizontal surface of steel or similar rigid material away from excessive heat and moisture.22 To minimise deterioration, wheels must be stored in a room which is dry and not subject to extreme temperatures.
The best choice is D since the stock is decreasing