21.   If one wheel turns more than another, it concludes that the faster wheel has a smaller circumference, a sign of less air pressure.

22.   Maybe the wheel is turning.

23.   No doubt the tabloid wheels will be turning again with that news.

24.   On Monday evening this week, the wheel turned full circle.

25.   Out in the audience, though, the wheels were turning.

26.   So the Antarctic wheel could turn full circle.

27.   Thanks to the phenomenon known as persistence of vision, if the wheel turns fast enough, the patterns appear to spread across its entire area.

28.   The front fenders turn when the wheels turn and bounce when the wheels bounce.

29.   The wheel of violence turns.

30.   The wheel turns, Moncassin says, referring not to his bicycle but to roulette.