Tribological tests were being completed using a ball-on-disc T-eleven tester. The balls were being fabricated from metal, While the discs have been crafted from metal, aluminium oxide, zirconium oxide, polyamide and poly(methyl methacrylate). The outline of your unit as well as techniques is provided within the literature (Szczerek and Tuszyński https://jasperktzgl.ezblogz.com/63716547/the-fact-about-sls-sodium-lauryl-sulfate-that-no-one-is-suggesting