We heard them march downstairs and close their separate doors.

They hurried to the rest rooms and took the separate doors.

People with small children still learning to separate may actually need to leave the house and return by a separate door.

Each section has a separate door with a number on it.

The driver has a separate door leading to the driver's cabin.

These letters indicate separate doors for the girls and boys to enter the building.

One solution may be to install a separate door from the outside directly to the room.

There was a separate door and he left by it.

Each pilot had a separate door on the right hand side, off a wing walk.

So each day, they enter school by a separate door.