We mostly see them at malls or any kind of establishments worth noting. That, and the numerous offices and buildings that litter the cities. They are for convenience that makes entering and exiting a place quite easy, especially if you are carrying a bunch of stuff and cannot afford to use a hand to crack a door. They will just open right away upon your presence. And that is why they are called Automatic Sliding Doors.
Most of the time, they unfold up right away when their sensor picks up a heat presence. These are what we see in public places and we even sometimes catch kids playing around with it before a security guard comes and tells them to stop. A lot of the time, a person will not even need to pause and wait for it to open.
Sometimes it works when you push a button. All you need to do is go to the button right beside the opening, press the thing and the door will open for you and everyone else. There are rare times when the trigger is on the other side so all you need to do is get someone from there to push said button.
It waits for us, so to speak. And after you have gone through, it waits for a couple of seconds before closing back again. Otherwise, it will just keep being open until the person decides to leave. This is good because there are also moments when someone is there to deliver a lot of heavy items and will need the door open at all times.
Going back on the standard types, the ones that open automatically, another example for it would be an elevator door. They quickly open and right away once it reaches a floor of its destination. Sometimes it may need the button pressed if it missed someone either exiting or entering. This is also meant for emergencies.
Elevators count as automatic ones as well, obviously. They open up mostly all every time automatically as soon as it stops on a floor. Sometimes though, it may need prompting to either open or close by a push of a button. Maybe because it took too long to do so, or that someone ran and yelled at the people already inside to wait.
Another one that falls into this is those that have a strict security system. These types may need some form of identification from you like an I. D. Or a thumbprint before fully letting you access entry and exit. They mostly are in offices that need security. These can be banks or the like but other forms of businesses also fall into it.
Some will likely have personal manning this, like guards. They are just there for more measures and to monitor who exactly is entering and exiting, as well as make sure the mechanism is working okay. This is to prevent any stragglers or dangerous people from entering the establishment, to ensure the safety of everyone working there.
To name other kinds, here they are. We have Hermetic and Clean Room. Then there are those called Standard, Telescopic and Circular, all of which have more than just one wing that works.
Most of the time, they unfold up right away when their sensor picks up a heat presence. These are what we see in public places and we even sometimes catch kids playing around with it before a security guard comes and tells them to stop. A lot of the time, a person will not even need to pause and wait for it to open.
Sometimes it works when you push a button. All you need to do is go to the button right beside the opening, press the thing and the door will open for you and everyone else. There are rare times when the trigger is on the other side so all you need to do is get someone from there to push said button.
It waits for us, so to speak. And after you have gone through, it waits for a couple of seconds before closing back again. Otherwise, it will just keep being open until the person decides to leave. This is good because there are also moments when someone is there to deliver a lot of heavy items and will need the door open at all times.
Going back on the standard types, the ones that open automatically, another example for it would be an elevator door. They quickly open and right away once it reaches a floor of its destination. Sometimes it may need the button pressed if it missed someone either exiting or entering. This is also meant for emergencies.
Elevators count as automatic ones as well, obviously. They open up mostly all every time automatically as soon as it stops on a floor. Sometimes though, it may need prompting to either open or close by a push of a button. Maybe because it took too long to do so, or that someone ran and yelled at the people already inside to wait.
Another one that falls into this is those that have a strict security system. These types may need some form of identification from you like an I. D. Or a thumbprint before fully letting you access entry and exit. They mostly are in offices that need security. These can be banks or the like but other forms of businesses also fall into it.
Some will likely have personal manning this, like guards. They are just there for more measures and to monitor who exactly is entering and exiting, as well as make sure the mechanism is working okay. This is to prevent any stragglers or dangerous people from entering the establishment, to ensure the safety of everyone working there.
To name other kinds, here they are. We have Hermetic and Clean Room. Then there are those called Standard, Telescopic and Circular, all of which have more than just one wing that works.
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