1.   An infinitely adjustable preset control knob lets you dial in the right amount of drag pressure according to the angling situation.

2.   An employee uses a control knob to keep a moving diamond centered on a computer screen while the computer makes the task increasingly difficult.

3.   Control knobs on the dash had too much of a light-plastic feel to them, though they were easy to use.

4.   Little cages and missing control knobs characterize the thermostats in our building.

5.   Once the propane canister was attached, it took only a couple twists of the control knob to light the heater for the first time.

6.   Only a starter button and a control knob on the center console operate hundreds of functions.

7.   Q. I have a laptop computer but find it incredibly hard to navigate around the screen with just the control knob and buttons below the keyboard.

8.   The best interior feature is the size of the control knobs and buttons.

9.   The captain mistakenly moved the fuel control knobs to the off position.