How do you say
1 ) 6061 - do you say sixty sixty one or six o six 1 or other ?
2) What about RC when referring to hardness ? Do you say Rockwell or RC or other
1 ) 6061 - do you say sixty sixty one or six o six 1 or other ?
2) What about RC when referring to hardness ? Do you say Rockwell or RC or other
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