1. Gyaran launin ruwan shara a masana'antun sarrafa najasa
2. Gwajin rage sinadarin fluoride a ruwan shara
3. Gyaran ruwan sharar gida na injiniyan birni
4. Gyaran launi na bugu da rini na ruwan sharar gida
5. Gwajin cire launin ruwan shara
6. Cire sinadarin fluoride daga gwajin ruwan shara
Lokacin Saƙo: Nuwamba-28-2024