Tribological checks were being completed using a ball-on-disc T-eleven tester. The balls were product of steel, whereas the discs were made from steel, aluminium oxide, zirconium oxide, polyamide and poly(methyl methacrylate). The description from the machine along with the approaches continues to be provided inside the literature (Szczerek and Tuszyński https://daveo826yfm9.bloguerosa.com/profile