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If it looks like a regular door, people will open it. If it is not a regular door, it should not look like one.


Or it should require an unusual and awkward action to open, like having to reach up and break something: https://cdn-01.media-brady.com/store/stuk/media/catalog/prod...


Well, if it's an emergency door, you want people to be able to use the mechanism when out of their mind with fear and a stampede behind them.


Never seen that before but that would certainly do it.




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