Alkaline yogonjetsedwa ndi gypsum board yolumikizirana yofuula
Kufotokozera kwaifupi:
Wodzikonda wa fiberglass wa fiberglay masheya, okhala ndi mphamvu zambiri za alkali akuluakulu, ndi njira yabwino kwambiri yamphamvu, ndi yankho labwino kwambiri la pulasitala la pulasitala lolumikizana, ndikukonzanso.
