He was prevented from doing so when the gates were automatically shut.
They pushed open and then shut automatically as his progress down the hall demanded.
They shut automatically off, then, and he droned along the line of the horizon, thinking nothing.
She stepped out, and the door shut automatically behind her.
He turned to close the door, and saw that it was shutting automatically.
She climbed into the polished glass car with about twenty others and leaned against the window while the door automatically shut.
The system automatically shut itself down because a monthly maintenance check was not done, the agency said.
The outside doors shut automatically if nobody has passed through them for a certain amount of time.
In case of pressure loss they would automatically shut tight anyway.
Those hatches are programmed to shut automatically when they sense a drop in air pressure.