The automatic doors of the commercial title are, first of all, linked with the need to improve the circulation of the customers. We do recount to this business, galleries or shopping malls that are visited every single day by the thousands. The most ordinary of all options is that one who incorporate a sensor; so when the customer approaches the door, it is acknowledge by the proximity and proceeds to open, once the customer has gone away, and if no one else is ready to enter or to go out anymore, the gate closes automatically.
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