Water Filteration

Kai tareeke hote hai water filteration ke jo industry waste aur janwar ke waster aur dusre insaan ke waste se bacha sakte hai. Li kai jagaho mein bar bar istemal kiya jata hai safer drinking aur use karne ke liye. Dusre tarah ke bhi hote hai ghar mein aur industrial use mein bhi. 
vibhag:W
vibhag:F