What is the difference between the two buttons on the last two rows. Both close/open the elevator door in the same way. NM, USA. : r/whatisthisthing
Elevator door control | Elevator Wiki | Fandom
Pushing That Crosswalk Button May Make You Feel Better, but … - The New York Times
Does the Elevator CLOSE Door Button Work? - YouTube
Manufacturers reveal 'close door' buttons on elevators make no difference | Daily Mail Online
Close Door' elevator buttons do nothing
Do "Close Door" buttons in elevators work? — Today You Should Know
Close-door buttons DO work in British lifts… but not in US elevators
Fact or Fiction: 80 percent of 'close door' buttons on elevators don't work?
Reality check: Does hitting the 'close' button on an elevator make the door close faster? - National | Globalnews.ca
Do 'Close Door' Buttons in Elevators Actually Do Anything? | Mental Floss
Do “close door” buttons on elevators ever actually work? - The Straight Dope
Elevator 'Door Close' Button Trick
Door Close' Buttons On Most Elevators Don't Actually Work - CBS Boston
Elevator Button Symbols—Open, Close, or What? | Pete’s Guide to Innovation
TYWKIWDBI ("Tai-Wiki-Widbee"): About the "close door" button in elevators
We knew it, hitting 'close door' on an elevator can do nothing – New York Daily News
The “Door Close” button fell off of this elevator revealing there is nothing behind it, it's just a dummy button. : r/mildlyinteresting
Are there actually short cut button combinations in elevators that paramedics or police use to skip floors? - Quora
PTCondo.com|Please DON'T Hold That Door!
Does the elevator "close door" button really work? - ABC7 San Francisco
Help NOVA Settle the Great Elevator Button Debate | Inside NOVA | PBS
Do Elevator 'Close Door' Buttons Work? – Truth or Fiction?
Do Elevator Door Buttons actually work? | by Colin Schwager, MBA | Teknik | Medium
Elevator close button fell off, and shows that it was never connected. (Taken from r/mildlyinfuriating : r/assholedesign
Open? Close? – The Blork Blog
