Now the station platforms don’t seem to keep away form becoming eco-friendly or energy efficient. To replace those incandescents, LED lamps are being used in railway platforms to indicate the arrival of trains.
Thanks to DDP, a developer of...
Now energy-efficient LED lamps to signal train arrivals
Made Popular Apr 29 2006
Now the station platforms don’t seem to keep away form becoming eco-friendly or energy efficient. To replace those incandescents, LED lamps are being used in railway platforms to indicate the arrival of trains.
Thanks to DDP, a developer of...
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