What are the Colored Aerial Marker Balls on Power Lines For?
What are those colourful Aerial marker balls on power lines?
What Are Those Colorful Balls on Power Lines, Exactly? | Trusted Since 1922
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Aerial Marker Balls for Power Lines Model JX - Flight Light Inc.
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Why Power Lines Have Those Strange Looking Device
Aerial Marker Balls for Power Lines Model JX - Flight Light Inc.
The meaning behind those colorful balls on power lines
Around when I was 8 I thought that the red marker balls on high tension power lines were pokeballs with pikachus in it that were there to power the lines with their
What Are Those Big Colorful Balls You See On Powerlines? | IFLScience