1.Twaba dushinzwe kugemurwa ninyanja,kandi ushobora kubona umukozi wawe wo gutwara abantu.
2Icungamutungo ryimbitse hamwe n’inyanja yizewe yohereza imyaka myinshi byemeza ko byatanzwe mugihe gikwiye.
3.Ipaki inararibonye yemeza ubwiza bwibikoresho kandi ikemeza ko abakiriya banyuzwe.
4. Igikoresho kimwe 20 'cyangwa 40'HQ kirakenewe kugirango umutwaro.