When the speed of the water is reduced by flowing into a pool or a lake, many of these particles settle down to the bottom as sediment.
Fa dinoka di thulana mebele e mogolwane ya dinoka (jaaka letsha kgotsa lewatle), moela o fokotsega thata le bontsi jwa dikarolwana tse di bokete di wela kwa fatshe e be di nwela go ya gotlaseng.