Ntle le libopeho tse tloaelehileng, litsamaiso tsa refractory hangata li hloka mefuta e fapaneng ea libopeho le libopeho tse ikhethileng. Hangata katleho e itšetlehile ka moralo. Tlhahiso ea rona ea metallurgy le refractory e kenyelletsa tlhahiso ea likarolo tse matla tsa pre-cast tse kenyelletsang potoloho ea mocheso o laoloang ke mocheso, likarolo tsa refractory tse entsoeng ka CNC kapa esita le ts'ehetso nakong ea ts'ebetso e ikhethileng ea limela.