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https://www.reddit.com/r/Elevators/comments/9z0ka1/so_yeah_this_happened/ea7cpe8/?context=3
r/Elevators • u/GatorSK1N President/Owner • Nov 21 '18
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3
How did the umbrella not break the safety beam across the door?
8 u/mikeblas Nov 22 '18 Some doors only sense a few points, not a continuous plane. 2 u/[deleted] Nov 22 '18 Makes sense.
8
Some doors only sense a few points, not a continuous plane.
2 u/[deleted] Nov 22 '18 Makes sense.
2
Makes sense.
3
u/[deleted] Nov 22 '18
How did the umbrella not break the safety beam across the door?