Sir Very well explained, this video will help a lot to many people. I want you to make a video on copper and aluminum cable selection also.May I hope you will do this soon. Thank you
Sir jee chalu band karne ke liye minute hi sirf change hota hai ghanta ko kaise change karenge mana ki hme present time me chalu band kr dekhna hai ki timer kam kr rha hai ya nhi eske liye option hai jaise ki light chalu din me 10 bje chlu krna hai to