When making a very flat highly polished chopper wheel of stainless steel polished on both sides, we-and many others-find that it warps like a potato chip if such a chopper is polished one side at a time. Our solution is to lap and polish both sides at the same time so that stock removal is bilateral and warping from one side to the other is precluded.
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Frank Cooke (1974) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: