The project is progressing smoothly.

He entered the building through the revolving door.

The opening and shutting of this door is not smooth.

Every day, I open and shut the store.

He opened the Western-style door.

The swing door was opening and closing in the wind.

Please be careful as the platform door is closing.

This train has a selective door operation feature.

If you press this switch, the lights will turn on.

The swing door of this restaurant opens and closes automatically.