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Continue to ChatWhich is the better method - don't get fixated on the method and more on what you are trying to achieve? https://learnoilanalysis.com/lube-oil-test-analysis-lab-lubrication-reliability-maintenance/which-is-the-better-method-dont-get-fixated-on-the-method-and-more-on-what-you-are-trying-to-achieve/