The drive mechanism for the bell was housed in the stone.

Odder yet, it showed no sign of a drive mechanism.

The following day the doctor turned all the boys to work on the conversion of the drive mechanism.

The clutch supplies mechanical power to the drive mechanism so the door can open and close.

The observatory has a modern tracking system and electronic drive mechanism.

The oil is produced with water injection as drive mechanism.

We'll look at the plumbing, the drive mechanism and the controls.

"If there's any drive mechanism, I doubt very much they use rocket fuel."

As with other drive mechanisms water or gas injection can be used to maintain reservoir pressure.

The next step is to connect the drive mechanism to the door.