He was back and gone, the door sealed behind him before she could ask a question.
Control had sealed the pressure doors behind him but not ahead.
"See you out there," he said as the door sealed behind him.
He leads them into a secret room within his office, and then seals the door behind him.
In the end he let himself out, pulling the door shut so it sealed behind him.
We shuffled out and I sealed the door behind us.
He carefully sealed the door behind him, then crossed to the far wall of the room.
They went up the ramp quickly, sealing it behind them.
With the opening sealed behind him, Chris wished he had brought a book.
His eyes were closed, sealed away behind their heavy lids.