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About LinkBacksThere would be a lot of mathematics involved in working out the number of repetitions per revolution and vice versa and then a high level of skill required in graving, heat treating and cleaning up. Make the days go fast for sure.
There would be a lot of mathematics involved in working out the number of repetitions per revolution and vice versa and then a high level of skill required in graving, heat treating and cleaning up. Make the days go fast for sure.
mwmkravchenko (May 22, 2021)
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