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-----Rz to Ra equivalent
What means RZ 8 - 12? Are there is Ra equivalent to RZ8-12?
David Komiyama- El Paso, Texas
2003
No. Rz and Ra are not the same and it does not have a constant conversion factor; however, a rough guideline is 4:1 Ra:Rz
AF Kenton
retired business owner - Hatboro, Pennsylvania
2003
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