Bisaba ibi bikurikira:
- tunganya ahabugenewe ukuraho ibyatsi, ibiti, amabuye n’ibindi bidakenewe.
- gupima no kureba uburebure n’uburebure bw’icyuzi. Ibitangira amazi by’icyuzi bigomba kugira metero nyinshi kurenza aho ubutaka bugarukiye.
- kuraho ibitaka byo hejuru ubishyire hanze y’icyuzi. Ubutaka bwo hejuru bushobora kuzahingwa ku mpande z’icyuzi.
- mu byuzi byo kumpera, ibumba rigize fondasiyo y’ibitangira amazi y’icyuzi ni ingenzi mu kubuza ko amazi atobora akameneka.
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