Aosite, txij 1993
Feem ntau kev lag luam swb rails yog ua los ntawm steel los yog cam khwb cia hlau. Nyob rau hauv txoj kev siv mus sij hawm ntev, vim qhov sib txawv ntawm kev sib txhuam ntawm ob qhov chaw sib cuag, nws yuav ua rau muaj qhov sib txawv ntawm cov khawb thiab cov kab mob ntawm cov swb rail nto, uas yuav cuam tshuam rau kev ua haujlwm raug thiab kev ua haujlwm ntau lawm. Cov kev kho ib txwm siv feem ntau siv cov txheej txheem xws li hlau phaj mounting lossis hloov, tab sis yuav tsum muaj ntau qhov kev ua tiav thiab phau ntawv scraping. Kev kho yuav tsum muaj ntau txheej txheem thiab muaj lub sijhawm tsim kho ntev. Qhov teeb meem ntawm khawb thiab cov kab mob ntawm cov kab swb ntawm cov cuab yeej siv tshuab tuaj yeem daws tau los ntawm kev siv cov khoom siv polymer sib xyaw. Vim cov khoom siv zoo heev adhesion, compressive zog, thiab roj thiab abrasion tsis kam, nws tuaj yeem muab cov txheej txheem tiv thaiv ntev rau cov khoom. Nws tsuas yog siv ob peb teev los kho qhov khawb ntawm qhov kev taw qhia rail thiab muab tso rau hauv kev siv. Piv nrog rau cov txheej txheem ib txwm siv, kev ua haujlwm yooj yim dua thiab tus nqi qis dua.