31.   The volume control on the one I tried moved jerkily, and the case nearly came apart when I inadvertently inserted the battery the wrong way.

32.   The volume slider control on the chair I tested had come off during shipment and required a slight amount of ingenuity to make it work.

33.   The volume controls are simple, up-and-down buttons on one of the satellites.

34.   Then again, it could be that you forgot to turn up the volume control on the speakers.

35.   Then he fumbled for the volume control with paint-spattered hands after a piercing hiss of static filled the room.

36.   There are also a pair of built-in speakers, a microphone, and a convenient slide volume control.

37.   There are separate bass, treble and master volume controls, and the speakers can be powered down from the right satellite.

38.   These biochemical signals act as volume controls, regulating how voluminously other genes produce their own molecular products.

39.   Unless the volume control on your TV set is broken, commercials should be no louder than the programs before and after them.

40.   Volume controls for the CD or DVD drive are also conveniently placed on the keyboard, a feature not unique to ThinkPads but executed well.