guys just realised the buttons in the elevator in doors has 13

Man presses a button the thirteenth floor in an elevator Stock Video Footage by ©AlexStern #77576352

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These 2 buttons both closed the elevator door. Is there any difference in them? : r/whatisthisthing

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Inspector's report details elevator accident that fatally crushed Boston University lecturer, Trending

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Code Requirements for Doors with Access Control - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.

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