Oxyacetylene reducing flame is used while carrying out welding on_____

1.	Oxyacetylene reducing flame is used while carrying out welding on___________________?
A.	Alloy steel
B.	Grey cast iron
C.	Mild steel
D.	High carbon steel
Answer» D. High carbon steel

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Oxyacetylene reducing flame is used while carrying out welding on___________________?

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