1: ububumbyi bwometseho byoroshye byoroshye;2: Harimo intebe zumusarani zoroshye zifunze;3: kubika amazi ubwoko bwa 6 / 4L inshuro ebyiri;4: Igishushanyo mbonera cyo kuzigama umwanya.
Incamake: Hamwe n'ikoranabuhanga rigezweho n'ibikoresho, kugenzura ubuziranenge bukomeye, igiciro cyiza, serivisi nziza ndetse n'ubufatanye bwa hafi n'abakiriya, twiyemeje guha abakoresha serivisi nziza nziza, dushobora kwitwa umusarani wo mu rwego rwo hejuru wubushinwa wubatswe umusarani, n'amazi yijimye tank, siphon flush urukuta rwubatswe umusarani.