Dufata "inshuti-nziza, zishingiye ku bwiza, kwishyira hamwe, guhanga udushya" nk'intego. "Ukuri n'ubunyangamugayo" nuburyo bwiza bwo kuyobora kubutaka bw'umuringa,Nickel Foil, Amashanyarazi yumuringa, Beryllium Bronze,Urupapuro rwa Nickel. Twishimiye cyane abakiriya bose babyifuza kutwandikira amakuru menshi. Ibicuruzwa bizatanga ku isi yose, nk'Uburayi, Amerika, Ositaraliya, Uzubekisitani, Jersey, Miyanimari, Amerika. Dufata ingamba ku giciro icyo ari cyo cyose kugira ngo tugere ku bikoresho bigezweho kandi bigezweho. Gupakira ikirango cyatoranijwe nikindi kintu gitandukanya. Ibisubizo byokwemeza imyaka ya serivise idafite ibibazo yakwegereye abakiriya benshi. Ibicuruzwa biraboneka muburyo bunoze kandi butandukanye, bikozwe mubuhanga mubikoresho byibanze gusa. Irashobora kuboneka mubishushanyo bitandukanye nibisobanuro byo guhitamo. Imiterere mishya iruta kure iyayibanjirije kandi irakunzwe cyane nabakiriya benshi.