Soon i will start 1 more channel for more informative videos you can visit both channel... There i will give your all questions answers so stay tuned with this channel.
Video me 1.07 par galat bataya hai oil ke passage mein oil neche se uper nhi upar se neche aata hai oil uper oil pump se jata hai wo bhi pressure se ache se samjho fit bhi Karte rho sath mein