Cov khoom yog ib qho inorganic macromolecular compound. Nws yog cov hmoov dawb los yog kua tsis muaj xim. Daim Ntawv Thov Field Nws yog yooj yim yaj hauv dej nrog corrosion.Nws dav siv los ua cov khoom siv tshuaj thiab cov tshuaj pleev ib ce (xws li tshuaj tua kab mob) hauv kev lag luam tshuaj txhua hnub; dej haus, kev kho dej khib nyiab.