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Pansi yofikira pa GRC yayikulu
GRC yokwezera pansi ndi m'badwo watsopano wa malo ochezeka ndi chilengedwe opangidwa ndi silicate, inorganic fiber, mineral fiber, mchenga wa quartz ndi zinthu zina kudzera pakuwumba kwamphamvu.Pansi palibe zinthu zowopsa zakupha komanso ma radiation, zimatha kuwonongeka kwathunthu, ndipo moyo wautumiki ndi wofanana ndi wa nyumbayo.
