51.   You can determine the number of threads by using a screw pitch gauge.

52.   A formula based on salary, playing time and postseason honors is used to determine the number of compensatory picks.

53.   A three-person U.N. team worked for a third day to demarcate the boundaries of the presidential complexes and to determine the number of buildings on them.

54.   Airport officials had not determined the number of passengers aboard.

55.   Although he said it was impossible to determine the number of casualties in the Yugoslav military from NATO airstrikes, Richard said the number was likely in the hundreds.

56.   All this poking and prodding is done to determine the number of bears, their ages and whether they are inbreeding, which could lead to sterile males.

57.   Chau added that officials would visit various places in the State to determine the number of people who need low-cost houses and to get potential buyers registered.

58.   Determining the number of people who have died from AIDS is also difficult.

59.   Determining the number of people who have died from AIDS is also a problem.

60.   For the time being, Najib said the ministry was unable to determine the number of students who would be returning.