Basic open hearth furnace (BOF) is not used for producing ____________

1.	Basic open hearth furnace (BOF) is not used for producing ______________ steel?
A.	Killed
B.	Rimming
C.	High alloy
D.	None of these
Answer» D. None of these

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Basic open hearth furnace (BOF) is not used for producing ______________ steel?

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