Ama-clay graphite crucibles, awaziwa nangokuthi ama-graphite piles noma ama-ladle ethusi ancibilikisiwe, angamathuluzi abalulekile emkhakheni wokuncibilikisa insimbi. Lezi zinhlayiya zisetshenziselwa ikakhulukazi ukuncibilikisa izinsimbi ezingenayo insimbi njengethusi, ithusi, igolide, isiliva, i-zinc, ne-lea...
Funda kabanzi