Tribological assessments had been completed utilizing a ball-on-disc T-11 tester. The balls had been crafted from steel, Whilst the discs had been manufactured from metal, aluminium oxide, zirconium oxide, polyamide and poly(methyl methacrylate). The outline of the unit as well as strategies has been offered inside the literature (Szczerek and https://alkylpolyglucoside96516.ttblogs.com/11581244/the-2-minute-rule-for-coco-betaine