3 ms·
Are you thinking of elevators, maybe? There are maybe a few hundred on-demand escalators in the whole world, and millions of normal ones.
by dmd 7y ago
Are you thinking of elevators, maybe?
There are maybe a few hundred on-demand escalators in the whole world, and millions of normal ones.
- Dylan16807 7y agoI definitely want to hear where you got an estimate that there's less than a thousand on-demand escalators in the entire world.
- tjoff 7y agoNo. And I've personally used at least a hundred on-demand escalators just in my city.