31.   Pister hopes that one day his smart dust will be ubiquitous.

32.   Stone dust is best as an underlayment because it readily packs down and will not slew, as sand can do.

33.   Stone dust is not stable enough, he added.

34.   Stone dust is a better material to use because it tamps down very compactly, and brick will sit on it for many years without sinking.

35.   That dust was the ash of people, mixed with cement and everything imaginable.

36.   The accumulated dust is a small price to pay for preventing the plastic smell.

37.   The dust is slowly beginning to settle on another Balkan crisis, one that has defined the elements of the intractable Bosnian war more clearly than ever before.

38.   The dust is visible from hundreds of feet away and scatters widely.

39.   The factory dust was an inch thick on my shoes every night.

40.   The dust is a great flavor enhancer in vinaigrettes, sauces and soups.