Nibyo, dushobora gutanga icyitegererezo cyubusa, ariko ikiguzi cyo kohereza kizaba kuri konte yawe.
Nibyo, dukora ibirahuri byibirahure nkibisabwa, kandi, turashobora gutanga ubuvuzi butandukanye: nko gucapa ecran, gushyira kashe ishyushye nibindi.
Kubicuruzwa, ni iminsi 5-15.
Niba tudafite ibarura, ni iminsi 15-30 yo kohereza dukurikije ibarura ryibikoresho.
Dufite inshingano zuzuye zo kwizeza ubuziranenge, tuzagerageza uko dushoboye kugirango dushyigikire ubucuruzi bwawe.
Turashobora gutanga Ubwoko 1. II. II ibikoresho byikirahure ukurikije ibyo usabwa.
Kubireba ubwoko bwa I ibirahure dufite ibirahuri byabashinwa.
(Kwagura ibirahuri 50 no Kwagura 70) nibikoresho mpuzamahanga (Corning & Schott).
Ibiri mu byuma biremereye na Arsenic biri munsi yindangagaciro za USP na EP.