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Aerial Marker Balls for Power Lines Model JX - Flight Light Inc.
The meaning behind those colorful balls on power lines
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What are the Colored Aerial Marker Balls on Power Lines For?
Kenya Electricity Transmission Company Limited - Ever wondered what are the balls that hang on power lines? They are called visibility marker balls. You'll often find them near mountain passes, in the
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Why Aerial Marker Balls Used on Electrical Power Line | Colorful Balls on Transmission Line in Hindi - YouTube
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