Duran slapped the call button, which flared and chimed as the doors wheezed open.

Then he slid into his seat and the door wheezed shut behind him.

The bus stopped and the door wheezed open.

The elevator stopped on the second floor and the doors wheezed open.

The driver looked blank, but he operated the mechanism anyway and the doors wheezed open again.

Blade stepped aboard and the doors wheezed shut after him.

The door wheezed shut on its pneumatic elbow.

As the struggling prisoners receded into the lift and the doors wheezed shut, he turned to the Vulcans.

The door wheezed shut and the bank of lights on the robodriver lit up.

Dees stayed right where he was for perhaps three minutes after the door had wheezed shut.