_______________ is the most important element, which controls the physical properties of steel ?

_______________ is the most important element, which controls the phys

1.	_______________ is the most important element, which controls the physical properties of steel ?
A.	Manganese
B.	Silicon
C.	Carbon
D.	Vanadium
Answer» D. Vanadium

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_______________ is the most important element, which controls the physical properties of steel ?

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