Nickel and ______________ are the alloying element added in steel to increase its toughness?

Nickel and ______________ are the alloying element added in steel to i

1.	Nickel and ______________ are the alloying element added in steel to increase its toughness?
A.	Molybdenum
B.	Chromium
C.	Vanadium
D.	Silicon
Answer» E.

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Nickel and ______________ are the alloying element added in steel to increase its toughness?

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