Omwami ali ne mutabani we bali ku mazzi agaliko amayengo ku nnyanja, bakutte obubaawo obukozesebwa mu muzannyo oguyitibwa saafingi. Ebbali wo ku lubalama lw'ennyanja kuliko ekibuga  ekirabikira mu lufu olw'amazzi oba  olufufugge lw'amazzi.