?Technician Asays that a hole can be drilled in cast iron using no lubricant. Technician B says that a hole can be drilled in aluminum without the use of a lubricant. Who is right?

A. ?Technician A only 
B. ?Technician B only 
C. ?Both A and B
D. ?Neither A nor B


Answer: C

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Fill in the blank(s) with correct word

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