51.   Because much of the wealth created existed only on paper, he said, its owners never had much of an opportunity to spend it.

52.   Because of that, The Boeing Co. insisted Tuesday that no ignition sources exist on its airplane center fuel tank systems, despite two unexplained aircraft explosions.

53.   Because the documents are already in digital form, they lend themselves to transmission over telephone lines more easily than those that exist only on paper.

54.   Before last August, virtually all that existed on the Saudi air force base was a landing strip and a few aircraft hangers.

55.   Big egos, strong opinions and obstinate personalties exist on both sides.

56.   A great Jewish nation cannot exist on such a basis.

57.   A munitions dump maintained by al-Qaida had existed on this plateau.

58.   A few of these incidents occurred when ice formed on the wings, and weather conditions existed on Monday for ice to form on the American Eagle craft.

59.   A Qaida munitions dump had existed on this plateau.

60.   A handful of Asian-film distributors exist mostly on the West Coast.