21.   Sources said a preliminary examination of the hair found at the crime scene showed it belonged to a black person.

22.   The department has already warned the foundation, on the basis of a preliminary examination, that NEC appears to be dumping.

23.   The department is conducting a preliminary examination of campaign donations that Vice President Al Gore solicited from his White House office.

24.   The NTSB said the preliminary examination of the incident could be expanded if warranted.

25.   There were also doctors and psychologists on board who will conduct preliminary examinations of the crew.

26.   Preliminary examination showed that the man died from the explosion of a home-made bomb.

27.   Police said a preliminary examination of the letter, published in the afternoon daily Ethnos, showed it to be authentic.

28.   A preliminary examination determined both appeared to have died two months ago.

29.   A preliminary examination suggested the crash may have been caused by a bird being sucked into the jet engine, the spokesman said.

30.   Although Singh refused to provide details of the condition of the bodies, he said a preliminary examination showed signs of mutilation.