41.   The dust is everywhere, rising in long trains as the pickups race around the barren plain leading to the mountains where Osama bin Laden may be hiding.

42.   The dust is still there.

43.   The goods are artfully displayed, there is no dust, and salespeople are willing to serve.

44.   The point is that dust is a fact of life and there is little anyone can do about it.

45.   The results of the air monitoring showed dangerous levels of the cancer-causing dust was in the air he was breathing.

46.   The record for the earliest stellar epoch is blank, however, because there was no dust then.

47.   The stone dust is gray, but will disguise the spot.

48.   There is no dust, and salespeople are willing to serve.

49.   There was killer dust everywhere.

50.   They had found only three tablets of the drug and some dust from what was probably several other crushed pills.