1. Likhetla tsa tsebe tse ncha tsa poraefete. Ponahalo e tsotehang le e ntle, moralo o mocha oa ponahalo.
2. Moqapi o ka hare-hare tsebe, kanale ea tsebe e lumellana hantle, e bobebe ebile e phutholohile ho apara.
3. Mohala o entsoe ka terata ea TPE, e tenyetsehang, e tšoarellang, 'me e na le nako e telele ea tšebeletso.
4. Metal plug, phetisetso ea molumo o boreleli, ho hanyetsa kutu, ho hanyetsa oxidation, ho hanyetsa ho phunya le ho kenya 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.