![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Waal_Laatsch_01.jpg/640px-Waal_Laatsch_01.jpg&w=640&q=50)
Mfereji
From Wikipedia, the free encyclopedia
Mfereji ni njia ya maji iliyotengenezwa na watu, tofauti na njia asilia za maji kama mito au maziwa.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Waal_Laatsch_01.jpg/640px-Waal_Laatsch_01.jpg)
Kuna aina mbili za mifereji:
- mfereji wa kupeleka maji yanapotakiwa, kwa mfano kwa umwagiliaji wa mashamba
- mfereji wa usafiri kwa boti au meli
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Canal_de_la_Peyrade%2C_S%C3%A8te%2C_H%C3%A9rault_01.jpg/640px-Canal_de_la_Peyrade%2C_S%C3%A8te%2C_H%C3%A9rault_01.jpg)