Air Traffic Obstruction Light on Transmission Towers, ICAO Medium Intensity Type A, Flashing White, 20000cd-day mode & 2000cd -night mode.

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Air Traffic Obstruction Light on Transmission Towers, ICAO Medium Intensity Type A, Flashing White, 20000cd-day mode & 2000cd -night mode.

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Night Marking Red Obstruction Light System for Transmission Tower

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Aircraft warning sphere warning marker balls for power lines

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What Are Those Balls That Hang on Power Lines?

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