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Continue to ChatWatch: Chennai metro stations could soon have foot-operated elevator buttons https://www.primetimes.in/news/459684/watch-chennai-metro-stations-could-soon-have-foot-operated-elevator-buttons/
Watch: Chennai metro stations could soon have foot-operated elevator buttons https://www.primetimes.in/news/459684/watch-chennai-metro-stations-could-soon-have-foot-operated-elevator-buttons/