1.   Bad weather and more mines have prevented rescue crews from learning the condition of the soldiers, who were on patrol in central Bosnia.

2.   Iraqi officials concealed or burned documents, prevented helicopter crews from taking photographs or prevented access to suspected sites, Buchanan said.

3.   Near Jacksonville, N.C., a family was reported trapped in an overturned mobile home, but the severe conditions prevented emergency crews from reaching the home.

4.   An unusual antenna failure aboard Discovery has prevented the crew of seven from beaming down live, continuous video since last Thursday.

5.   An explosion ripped through a major gas pipeline in the Ural Mountains Wednesday, and officials said deep snow was preventing repair crews from reaching the site.

6.   An antenna failure aboard Discovery has prevented the crew of seven from beaming down live, continuous video since Thursday.

7.   But high wind prevented crews from conducting controlled burns on the east or west sides of the fire as they had hoped.

8.   Even though the oxygen generator was up, power constraints prevented the crew from running it as long as desired.

9.   Flooded roads in Welch temporarily prevented utility crews from getting to downed lines.

10.   Officials said production has not been seriously affected, but the protesters are preventing crews from maintaining key equipment.

v. + crew >>共 479
have 4.94%
rescue 2.98%
send 2.92%
carry 2.71%
release 2.18%
take 1.97%
kill 1.65%
dispatch 1.49%
see 1.38%
say 1.38%
prevent 1.06%
prevent + n. >>共 1204
attack 3.54%
violence 1.93%
spread 1.72%
people 1.65%
company 0.97%
infection 0.92%
recurrence 0.88%
problem 0.87%
cancer 0.87%
disease 0.85%
crew 0.09%
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