I-graphite crucible, eyaziwa ngokuba yi-alten copper ladle, ubhedu olutyhidiweyo, njl.Iicrucibles zegraphite zisetyenziselwa ukunyibilikisa ubhedu, ubhedu, igolide, isilivere, i-zinc kunye nelothe kunye nezinye iintsimbi ezingeyontsimbi kunye nazo zonke ...
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