1. Pamene pamwamba pake ndi chinthu cholimba, mpweya ukhoza kukhudzana mwachindunji ndi aluminiyamu ndi oxidize malo ovulala poyamba. M'tsogolomu, oxidation idzafalikira pang'onopang'ono kumadera ozungulira.
2. Wheel hub oxidation nthawi zambiri amayamba chifukwa cha mankhwala owononga. Koma chinthu chamtundu woterechi chikawomberedwa, nthawi zambiri chimawononga matayala ndi mawilo, ndipo chimakhudzanso momwe matayalawo amagwirira ntchito, zomwe zimapangitsa kuti magudumuwo akhale achikasu komanso okosijeni.