Question { 5727 }
how to do various operation by pressing a single push button
at least 2 operation?
Answer
Is This Answer Correct ? | 5 Yes | 0 No |
Question { 7137 }
Why 50hz and 60hz frequencies are used by the world, why
they are not taking 55hz?
Answer
Is This Answer Correct ? | 7 Yes | 9 No |