The bridge may be opened in case of emergency, but requires manual labor to be swiveled open.

They are essentially smaller windows that swivel open when needed.

A wall panel swiveled open at his touch.

Once on the deck, the top part of the canister swiveled open toward the side of the ship, revealing the missile inside.

He pushed another control and the side panels swiveled open.

The gull-wing door in the side of the craft swiveled open, and the doctor ducked into the dark interior.

Servos whined, the door swiveled open, and the visitors stepped through.

At the far end of the gymnasium he touched a padded panel and it swiveled open.

There he spotted his first monument, a rickety bridge swiveling open to let a barge pass.

Biedermeier game tables swivel open for dining or work.