Tšepe e tloaelehileng ea li-bearing tsa bolo e nang le carbon le chromium e ile ea khethoa 'me ea thatafatsoa ho mamella khatello e matla pakeng tsa karolo e pitikoang le masale a li-bearing.
Ho kenya khabone masale a ka hare le a ka ntle ke mokhoa oa motheo oa ho tiisa bakeng sa bafani ba bangata ba li-bearings tsa bolo tsa TPI. Ka kalafo ena e khethehileng ea mocheso, ho thatafala holim'a tsela ea peiso hoa eketseha; e leng se fokotsang ho tsofala ka ho loketseng.
Tšepe e hloekileng haholo e fumaneha letotong la lihlahisoa tsa li-bearings tsa bolo tse tloaelehileng tsa TPI hona joale, ho hanyetsa ho tsofala ho phahameng ho fumanoa ka ho loketseng. Kaha mokhathala oa ho kopana hangata o bakoa ke lintho tse thata tse seng tsa tšepe, li-bearings matsatsing ana li hloka maemo a ikhethang a bohloeki.