In Storing rain water and purifying recycling water system..It is very important now a days in Apartment and group house
https://youtu.be/xQ_mXEN_khk
EDU EXTRA KEY is an online educational channel dedicated to nursery rhymes and stories designed to entertain and educate toddlers, pre and kindergarten kids. Welcome to my Channel “Eduextrakey” all about kid friendly videos for toddlers, babies, infants and pre-school children. Watch our famous ABC songs, 10 Little Numbers Song, Phonics Songs, Alphabet, Numbers, Shapes, Colors and Animals Train and more.