These required that personnel enter through an air lock to maintain the pressure.

When the light was on, the outer hatch was still opened and no unprotected personnel could enter.

Eventually the door is opened, officers extract Druce, and medical personnel enter the cell.

Put a guard there and make sure that no unauthorized personnel enter the house.

Numerous times, unauthorized personnel ignored the road barriers and entered the exclusion zone.

Over sixty personnel have entered it in the last forty minutes, but only fifteen have emerged and some of them appeared to be wounded.

Renault's personnel entered the residence via an underground tunnel.

Civilians were allowed to come and go, but Panamanian military personnel could not enter.

A goodwill gesture would be, for example, to allow independent media and humanitarian personnel to enter the north.

Certain parts of the city are militarized zones which only authorized personnel can enter.