A passport control booth at an airport has slots for travelers to submit their passports for inspection
https://rapid-stag-3c6.notion.site/A-time-slot-in-broadcasting-refers-to-the-allocated-period-for-a-specific-television-or-radio-progra-d654f760d43944a4969aa8761e62a76e?pvs=4
A passport control booth at an airport has slots for travelers to submit their passports for inspection