ETT NU Ipfunyika urukurikirane rwa feri (Urukuta rwo hanze)
Inzira idasanzwe ya NU (glazing process) yemewe kugirango yinjire hejuru yubutaka bwa organic organique hanyuma ihuze hamwe nubuso bwihanganira ikirere cyibintu bidafite umubiri.Substrate ni ibintu bidakoreshwa, hejuru yubuso ni ubukonje bwa feri ya feri, ifite isuku nziza, irwanya ikirere, nta tandukaniro ryamabara, ihindagurika ryikirere, irwanya indwara, irwanya cyane (igorofa yo hejuru 300 C ntabwo yangiza kandi ntihindura ibara) nibindi ibyiza byingenzi.Muri icyo gihe, igumana kandi imiterere yumwimerere yisahani, hamwe nibiranga ikirere cyambere, kandi ikagira amateka.Irashobora gukoreshwa cyane mugushushanya kurukuta rwubwoko bwose, cyane cyane mumashuri, ibitaro, amasomero, ibiro bya leta nibindi bibanza binini.Irashobora gusimbuza neza ibikoresho byiza, isahani ya aluminium, ceramic tile nibindi bikoresho byo gushushanya.