Have you ever noticed that some colourful balls are hanging on the High voltage transmission lines or power lines? You might have a question in your mind that what are these colourful balls and why they are hanging on these power...
Evolution begins with learning
Have you ever noticed that some colourful balls are hanging on the High voltage transmission lines or power lines? You might have a question in your mind that what are these colourful balls and why they are hanging on these power...