(A) Nickel (X)
(B) Copper ()
(C) Chromium (X)
(D) Silicon (X)
Answers: Addition of Copper to steel dose not impart hardness.
(A) Nickel (X)
(B) Copper ()
(C) Chromium (X)
(D) Silicon (X)
Answers: Addition of Copper to steel dose not impart hardness.
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