Iimbonakalo
Ukungeniswa kwe-shroud ye-shroud yityhefu ephezulu yenkqubo yenziwa yinkqubo yoxinzelelo ye-isostatic, yenzelwe ukulawula ukuhamba kwentsimbi ye-molten ukusuka kwi-crystallizer, kwaye isetyenziswe ngokubanzi kwinkqubo yentsimbi.
