Cards and cards and cards
So, they will have their regular work ID card that they must surely already carry, their soon-to-be-issued-compulsory-ID-card-with-400-items-of-biometric-data, and some new fangled Airport worker ID card?
Or are they saying that when compulsory ID cards are issued to every member of the public, then the airport staff will also be required to carry them? (as if they are some sub-species)?