1, kuhira amazi yo kuzigama 30 ~ 50%
Mu rwego rwo kurinda ubutaka, kuhira no gutakaza ubutaka no gutakaza amazi no kugabana amazi y'ubuhinzi biratera imbere, kandi ibiciro by'amazi bigabanuka.
2, igipimo cyo gukoresha ifumbire cyiyongera kuri 20%
Nyuma yo kugereranya ubutaka, ifumbire ikoreshwa iragumirwa neza ku mizi y'ibihingwa, kunoza imikoreshereze y'ifumbire no kugabanya umwanda w'ibidukikije.
3, umusaruro wibihingwa byiyongera kuri 20 ~ 30%
Urwego rwo hejuru rwubutaka rwiyongera kuri 20 ~ 30% ugereranije nikoranabuhanga gakondo ridasubirwaho, kandi kuri 50% ugereranije nubutaka budacogora.
4, imikorere yubutaka itezimbere itezimbere hejuru ya 30%
Sisitemu ihita igenzura umubare wubutaka usiba mugihe cyo kunganirwa, kugabanya igihe cyo gukoresha ubutaka kugeza byibuze.
Shakisha aho ibisubizo byacu bishobora kugutwara.