My mobile phone has broken.

He entered the building through the revolving door.

The hinge of this door has broken.

The hinge of this door is broken.

He opened the Western-style door.

Please be careful as the platform door is closing.

This train has a selective door operation feature.

The swing door was opening and closing in the wind.

A hinge joint, like the human elbow or knee, is a type of joint that only bends in one direction.

He peeped through the door scope to see who had come.