Which of the following given the correct order of increasing hot hardness of cutting tool materials?

Which of the following given the correct order of increasing hot hard

1.	Which of the following given the correct order of increasing hot hardness of cutting tool materials?
A.	Diamond, Carbide, HSS
B.	Carbide, Diamond, HSS
C.	HSS, Carbide, Diamond
D.	HSS, Diamond, Carbide
Answer» D. HSS, Diamond, Carbide

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Which of the following given the correct order of increasing hot hardness of cutting tool materials?

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