Inki yosatha, yomwe ingagwiritsidwe ntchito ndi burashi, cholembera, kupopera kapena kumiza zala za ovota mu botolo, imakhala ndi silver nitrate.Kukhoza kwake kuwononga chala kwa nthawi yokwanira - nthawi zambiri kuposa maola a 12 - kumadalira kwambiri kuchuluka kwa nitrate ya siliva, momwe amagwiritsidwira ntchito komanso nthawi yayitali bwanji pakhungu ndi zikhadabo asanachotsedwe inki yochuluka.Zomwe zili mu nitrate yasiliva zitha kukhala 5%, 7%, 10%, 14%, 15%, 20%, 25%.
Cholembera chosasinthika chimagwiritsidwa ntchito kwa chala chakutsogolo (nthawi zambiri) cha ovota panthawi yazisankho pofuna kupewa chinyengo monga kuvota kawiri.Ndi njira yabwino kumayiko omwe zizindikiritso za nzika sizikhala zokhazikika kapena zokhazikitsidwa.