Muri iki giheimpapuro zubakaumushinga, ikoreshwa ryaibitiiracyari rusange.Ariko, ikoreshwa ryaibyuma(ibyuma byuzuye cyangwa ibyuma byambukiranya ibyuma, nibindi) aho kuba ibiti gakondoH20nka sisitemu yo gushimangira gahunda yibyingenzi na kabiri yinyuma yinyuma yibikorwa byakunzwe cyane ninzego zubaka kuko iki gikorwa kizana inyungu zubukungu.

Kandi inyungu rusange:

• Umutekano kandi wizewe:Icyuma gishyigikira icyuma kirakomeye kandi nticyahinduwe kuruta ibiti by'ibiti, kandi imbaraga zirakomeye kandi zizewe;
• Ubwiza bw'ingwate:Ingano yicyuma cyuma kirahoraho, ikosa ryubwubatsi rirashobora kugenzurwa, kandi imiterere yibigize nibyiza;
• Kugabanya ibiciro:Hariho ibicuruzwa byinshi byuma byuma, ibiciro byo kugabanya amortisation, ninyungu zikomeye;
• Kubaka byoroshye:Inkunga yicyuma yoroheje muburemere, ntoya mubunini, byoroshye kuyifata, byoroshye mubicuruzwa no gutwara;
• Kubaka vuba:Ibyuma bisanzwe kandi bigizwe nibyuma bifasha ibikoresho, ibikoresho byoroshye, birashoboka cyane, ibisobanuro bimwe, guhuza stereotyped, guhuza byoroshye, byizewe, kandi byihuse;
• Ikoreshwa ryinshi:Birakwiriye gushimangira inkuta zogosha, inkingi zamakadiri, imirishyo, hasiurupapuro rwerekana;
• Umuco wo kubaka:Nta gutunganyiriza aho, nta kwanduza ibiti, gusukura intoki, no gutondeka biroroshye;
• Icyatsi:Bika inkwi, urinde umutungo w’amashyamba, kandi inkunga yicyuma ifite agaciro kanini mugutunganya no gutunganya.