Check rails are provided on inner side of inner rails if sharpness of

1.	Check rails are provided on inner side of inner rails if sharpness of a B.G. curve, is more than
A.	none of these.
B.	3¬∞
C.	5¬∞
D.	6¬∞
Answer» E.

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Check rails are provided on inner side of inner rails if sharpness of a B.G. curve, is more than

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