After a while, he turned the lock on the door.
The maintenance man turned his back on the door to face them.
He forced himself to take a step, to turn his back on the door.
The hovertank seemed to turn and center itself on the door.
Now he turned his back on the door and walked over to the fire.
He turned his head at a slight tap on the door.
The girl turned without speaking, her hand on the door which she was holding open.