I-Fire clay assay crucible for metallurgy xa ithelekiswa neemveliso ezifanayo kwimarike, ineenzuzo ezigqwesileyo ezingenakuthelekiswa nanto malunga nokusebenza, umgangatho, inkangeleko, njalo njalo, kwaye yonwabela igama elihle kwimarike. I-XTL ishwankathela iziphene zeemveliso ezidlulileyo, kwaye ngokuqhubekayo iyawaphucula. Iinkcukacha zovavanyo lodongwe lomlilo lwe-metallurgy lunokwenziwa ngokweemfuno zakho.