11.   Loosen the lock screw with a screwdriver then turn the knob to regulate the clutch.

12.   Passengers can adjust the amount of light that flows in by turning a knob.

13.   She turned the knobs and rushed out to the balcony to view her work, then rushed back in to change the colors again.

14.   So you turn knobs to control shadows on drapery, then grab a paper with a shadowless garment and start shading with a pencil.

15.   They turned the knob on the front door.

16.   Turn the knob the other way to drain.

17.   Turn the knob.

18.   When King cleans the house she picks things up with her toes or turns door knobs with her feet when her hands are full.

19.   When the dancer entered, he turned the knob of a machine onstage.

20.   When they come in, the only way they can turn the knob down, they have to dance for me.