____________________ of hard alloy and tool steel is done to make it easily machinable ?

____________________ of hard alloy and tool steel is done to make it e

1.	____________________ of hard alloy and tool steel is done to make it easily machinable ?
A.	Case carburising
B.	Tempering
C.	Normalising
D.	Annealing
Answer» C. Normalising

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____________________ of hard alloy and tool steel is done to make it easily machinable ?

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