Paper Kaise Banta Hai ?

Paper Kaise Banta Hai

Aaj bhale hi computer ka jmana aa chuka hai lekin paper ka mahatav to abhi bhi barkarar hai. Apne school ke dino me jin kitabo aur copiyon me aap kagaj ka use karte the, Wo kagaj kha se ate the? ho sakta hai ki iska jwab aap jante ho lekin shayad abhi ye janna baki … Read more Paper Kaise Banta Hai ?