Technician A says 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

Technician A says 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

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