Ua raws li lawv cov qauv thiab ua haujlwm, cov dej txias rwb thaiv tsev tuaj yeem raug faib ua ntau hom, nrog rau cov zawv zawg, thiab hom. Rwb rwb rwb rwb thaiv tsev haus dej txhawb cov kav dej ruaj ruaj nyob rau hauv qhov chaw, tiv thaiv lawv los ntawm kev hloov vim kub hloov lossis sab nraud. Zawv zawg mob rwb thaiv tsev dej txhawb nqa kev txhawb nqa cia rau qee yam ntawm axial lossis radial txav mus kom haum rau cua sov thiab meraction. Coj coj tus mob khaub thuas rwb thaiv cov yeeb nkab cov yeeb nkab cov yeeb nkab kev txwv tsis pub cov kev txav mus ib txhis, kom lawv nthuav dav thiab sib cog lus ywj pheej.
Tsis tas li ntawd, cov dej txias rwb thaiv tsev txhawb nqa tau tuaj yeem faib ua cov hom sab hauv lossis sab nraum zoov raws li lawv cov kev xav siv. Ofource sab nraum zoov cov yeeb nkab txhawb nqa feem ntau yuav tsum tau txhim kho huab cua ua kom tsis txhob muaj cov txiaj ntsig ntawm cov nag, daus, thiab UV Rays. Kev mob khaub thuas sab hauv tsev txhawb nqa cov yeeb nkab cov yeeb nkab cov yeeb nkab txhawb nqa, ntawm qhov hluav taws xob tua hluav taws thiab corrosion tiv thaiv, tshwj xeeb hauv cov chaw tshwj xeeb zoo li kev tsim siv tshuaj.
