1.Likhetla tsa tsebe tse ncha tsa poraefete. Ponahalo e tsotehang le e ntle, moralo o mocha oa ponahalo
2.Moqapi oa tsebe, mokokotlo oa tsebe o lumellana hantle, o bobebe ebile o phutholohile ho apara
3.Tsela e entsoe ka terata ea TPE, e tenyetsehang, e tšoarellang, 'me e na le bophelo bo bolelele ba tšebeletso.
4.Metal plug, phetisetso ea lets'oao le boreleli, ho hanyetsa kutu, khanyetso ea oxidation, ho hanyetsa ho notlolla le ho hokela ts'ebeliso ea letsatsi le letsatsi.
5. Moralo oa yuniti ea molumo o ikemetseng, ho sireletsa tšitiso le ho fokotsa ho khopama, 'me molumo o hloekile.