Igitekerezo cy’umwimerere cyari inyuma y’igishushanyo cya USS cyari ukunoza ubunararibonye bwo gutwara amagare. Bitewe n’uko amagare yo gutembera kure n’amagare yo mu bwoko bwa grave akunze guhura n’ubutaka bubi bufite amabuye n’amabuye atatanye hasi mu birometero mirongo, amaboko y’abayakoresha ashobora kubabara bitewe n’imitingito.

Hari agapira k'icyapa cy'ubucuruzi gashobora kunyuramo amazi hejuru, ariko ntikongerera ubwiza bw'amazi gusa ahubwo kanarinda amazi kwinjira mu minsi y'imvura kandi kagatuma umukungugu n'umwanda bidashobora kwinjiramo. Iyo ufunguye, ubona vis ifite ishusho ya T ikomeye cyane ishobora kwihanganira ubukana bwa 2.3T. Ku bakinnyi, ni byiza gufungura agapira k'icyapa cy'ikoranabuhanga gashobora kunyuramo amazi no gushyira amavuta menshi buri cyumweru. Ibi bituma bikomeza guhagarara neza kandi bikongera uburambe bw'igicuruzwa. Iyo ushyira amavuta yo kuvura, fungura agapira k'igikoresho cyo kuvura amazi kugeza aho gahagaze neza mbere yo gusiga amavuta. Nyuma yo gusiga amavuta, hindura agapira k'igikoresho cyo kuvura amazi kugeza aho gafashe kugira ngo gakoreshwe neza. Nyuma yo gusiga amavuta, ni ngombwa ko ufunga agapira k'icyapa cy'ikoranabuhanga gashobora kunyuramo amazi.