Icyerekezo cya MOS: Uturindantoki twa nitirile tuvumbye turwanya ibinyabutabire nta mwenda w'imbere, dufite urwego rw'imbere rworoshye kugira ngo bikworohere mu gufata ibinyabutabire igihe kirekire. Ubuvumbye bwa mili 15 butanga urukuta rwizewe ku bishonga bitandukanye, ku mavuta, ku binure, ku byuka bikaze, no ku bivanze byangiza. Ishusho irwanya kunyerera ku kiganza no ku ntoki ituma ufata neza ibyombo binyerera kandi bitose. Ukuboko kwagutse kugeza ku nshi 13 kurinda ikiganza n'ukuboko ibisandara. Dushobora gukoreshwa kenshi kandi dukozwe kugira ngo dushobore gusukurwa kenshi.