71.   Not only were the cardiac deaths clustered in the first two hours after the quake, but they were more frequent near the epicenter.

72.   Others, wearing Arab headdresses, cluster in small knots outside houses adorned with Arabic script.

73.   One tactic is to spread out its network of sales people to be close to important clients -- mostly clustered in Washington, D.C., New York and Chicago.

74.   Plans are under way for using robots to gather meteorites that cluster in certain areas because of glacial flows.

75.   Pacific Island communities, moreover, are clustered in certain regions.

76.   Powerfully built policemen, in nylon track suits and leather jackets, clustered in the unlighted lobby and peered nervously at the crowd.

77.   Previous discoveries of genes that cluster in cancerous breast tumors have lead to clinical trials for new therapies.

78.   Professions usually cluster in the same alley.

79.   Salad days seems to cluster in whatever sector is currently experiencing the sharpest pangs of nostalgia.

80.   Re-education is the last thing on the minds of the students who cluster in dusty cafes outside one Hanoi tertiary institution, drinking coffee.