Zida zothandizira zingwe zodziwika bwino zimaphatikizapo konkriti, fiberglass ndi chitsulo. 1. Chingwe chachitsulo chopangidwa ndi konkire chokhazikika chimakhala ndi mtengo wotsika, koma mtengo wotsika mtengo wotengera msika 2. FRP chingwe bracket corrosion resistance, yoyenera kunyowa kapena asidi ndi alkaline chilengedwe, ndi yotsika kwambiri, wei yaing'ono ...
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