Non-ferrous alloys used for making cutting tools need not have high___

1.	Non-ferrous alloys used for making cutting tools need not have high__________________?
A.	Abrasion resistance
B.	Toughness
C.	Red hardness
D.	Cutting speed
Answer» C. Red hardness

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Non-ferrous alloys used for making cutting tools need not have high__________________?

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