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
HUMAN-USE EXPERIENCE ANALYSIS
Elevator control panels
The UX of UP (and down): Elevating the Elevator. | by The Brykman Predicament | Interactive Mind | Medium
The Ultimate Guide of Elevator Buttons - Langir Electric
Elevator buttons - two sets of open/close? : r/Whatisthis
Elevator door-close buttons don't do anything
Elevator control panels
Elevator close button fell off, and shows that it was never connected. (Taken from r/mildlyinfuriating : r/assholedesign
How to use lift buttons
Close-door buttons DO work in British lifts… but not in US elevators
Pushing That Crosswalk Button May Make You Feel Better, but … - The New York Times
Elevator Control System - Part Two ~ Electrical Knowhow
Why do Hollywood elevators all seem to have a button to stop the lift (so the people inside can have a bit of privacy, or can try to evade the bad guys)?
Does the elevator "close door" button really work? - YouTube
_(Custom).jpg "How Do Elevators Work? | Wonderopolis")
How Do Elevators Work? | Wonderopolis
A short history of the elevator | CNN
security - Does the "Nonstop Elevator Hack" work? - Skeptics Stack Exchange
How to use lift buttons
Two little Elevator button rules to use in life
The Ultimate Guide of Elevator Buttons - Langir Electric
The Close Door Buttons On Elevators Do Absolutely Nothing At All | IFLScience
