True, the diagonal is usually described as the dimensions
Choice B but you have miswritten or misread 8/21 as 8/12
Food-grade lubricants must perform the same technical functions as any other lubricant: provide protection against wear, friction, corrosion and oxidation, dissipate heat and transfer power, be compatible with rubber and other sealing materials, as well as provide a sealing effect in some cases.
Strangles is commonly seen with discharge from the nose, so that would be the answer.
