Aluminium plhaub yog lub plhaub ntawm cov khoom txhuas ua los ntawm txhuas ncab hom. Qhov yooj yim yog siab, qhov tob yuav raug txiav arbitrarily. Nyob rau hauv dav dav, muaj cov rooj sib tham ntawm Circuit Court grooves feem ntau. Ntev npaum li lub rooj sib tham ncaj qha, nws tsis tas yuav kho nws dua. Qhov yoojyim yog lwm hom plhaub uas tsis tuaj yeem sib piv.
Peb txhuas cov vaj tse muaj kev txhim kho corrosion zoo heev. Thiab muaj lub siab ua dua, kom muaj kev txuag lub zog thiab kev tiv thaiv ib puag ncig ntawm kev txhim kho.
