Crucibles maka nkedo
Maka ụlọ ọrụ nkedo, curcibles anyị ewebatala usoro mmepụta dị elu iji kwalite ngwaahịa ahụ dabere na usoro mgbagha nke mba ofesi. Nkwalite a na-eme ka nguzogide oxidation nke crucible dịkwuo mma, na-enye arụmọrụ dị mma n'ihe gbasara nguzogide oxidation, nguzogide corrosion, na ọkụ ọkụ ngwa ngwa. Ọzọkwa, na usoro nkedo nke aluminom, anyị na-ahụ na crucibles anyị adịghị emepụta gas, si otú a na-echebe ịdị ọcha nke mmiri mmiri aluminom maka ndị ahịa anyị.