Amabati yo hejuru yizuba
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2. Kwishyiriraho vuba: Igishushanyo cyoroshye nibikoresho byuzuye bituma gahunda yo kwishyiriraho yihuta kandi neza, kugabanya igihe cyo kubaka nigiciro.
3. Igishushanyo-kidashobora kumeneka: Sisitemu yabugenewe idasanzwe hamwe nibikoresho bitarinda amazi birinda amazi kwinjira kandi bikarinda igisenge kwangirika.
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5. Guhindura byoroshye: Inguni yigitereko irashobora guhindurwa kugirango ihuze ninguni zitandukanye zizuba, guhuza ingufu zumucyo no kunoza imikorere yamashanyarazi.