GRC ndi chiyani?GFRC ndi yofanana ndi magalasi odulidwa a fiberglass (mtundu womwe umagwiritsidwa ntchito popanga ziboliboli zamabwato ndi mawonekedwe ena ovuta amitundu itatu), ngakhale ndizofooka kwambiri.Amapangidwa pophatikiza kusakaniza kwa mchenga wabwino, simenti, polima (nthawi zambiri acrylic polima), madzi, zosakaniza zina ndi alkali-resistant (AR) gl...
Werengani zambiri