Isomo rya 10: Kurwanya Isuri

Amashusho

Iri somo rigaragaza akamaro ko kurwanya isuri mu buhinzi bw’ikawa.
Isuri ni ugutwarwa kw’itaka ryo hejuru rifite intungagihingwa nyinshi, bitewe n’amazi, umuyaga cyangwa ibikorwa by’abantu. Iri taka ryo hejuru rifite intungagihingwa n’ibinyabutabire by’ingenzi bituma ikawa ikura neza. Ni yo mpamvu gukumira isuri ari ingenzi cyane kugira ngo umurima w’ikawa ukomeze gutanga umusaruro mwiza kandi igihe kirekire.

Kurwanya isuri neza bisaba gukoresha uburyo bwinshi bufatanyije.
Ibihingwafumbire, bitwikira ubutaka, birinda ubutaka kwangizwa n’imvura n’umuyaga, bikagabanya amazi atemba ku butaka kandi bikongera uburumbuke bwabwo. Gutwikira ubutaka ibisigazwa by’ibimera bituma ubutaka bugumana amazi, bikagabanya imbaraga z’imvura igwa ku butaka kandi bikagabanya itakara ry’ubutaka. Ibiti bitanga igicucu n’ubuhinzi buhuza ibiti n’imyaka bifasha gufata ubutaka n’imizi yabyo, kandi amababi yabyo agabanya imbaraga z’imvura nyinshi igwa ku butaka.

Imirongo y’ibyatsi itewe ikurikije imiterere y’umurima igabanya umuvuduko w’amazi atemba kandi igafata ubutaka butwarwa n’amazi. Imiyoboro icukurwa ikurikije imirongo y’umurima ifata amazi atemba igatuma yinjira mu butaka. Iyo ubu buryo bwose bukoreshejwe hamwe, bufasha kurinda ubutaka, kubika amazi mu murima, no gutuma umurima w’ikawa ukomeza gutanga umusaruro mwiza mu gihe kirekire.