Usoro mmepụta maka brik dị elu{0}alumina yiri nke brik fireclay; Otú ọ dị, ha dị iche na nkezi nke calcined ihe onwunwe (chamotte) eji, ọkụ ọkụ, na ọkwa nke mechanization. Akụrụngwa -bauxite- na-anata calcination, nchipịa, mwepụ ígwè, ịgwakọta, ịpị, ihicha, na ikpo ọkụ dị elu- tupu achịkọta ya ma chekwaa ya. Okpomọkụ na-ekpo ọkụ na-adịkarị site na ogo 1400 ruo 1500, yana usoro ụfọdụ na-eru ogo 1700.
Usoro nrụpụta maka brik alumina dị elu- dị mgbagwoju anya, ebe usoro ọ bụla dị oke egwu, na-ebute ngwaahịa dị elu nke ukwuu karịa brik na-agbanwe agbanwe.