GRC ke eng?GFRC e tšoana le fiberglass e chehiloeng (mofuta o sebelisetsoang ho etsa mekotla ea likepe le libopeho tse ling tse rarahaneng tsa mahlakore a mararo), le hoja e fokola haholo.E entsoe ka ho kopanya motsoako oa lehlabathe le letle, samente, polima (hangata e le acrylic polymer), metsi, metsoako e meng le alkali-resistant (AR) gl...
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