61.  And he said the board approved the use of two referees, instead of one, for a limited number of games, along with two linesmen.

62.  And it probably will only work in a limited number of programs.

63.  And they all compete for the same limited number of advertising dollars.

64.  And New Balance plans to make a limited number available in six to eight weeks across the country in stores to be announced later.

65.  And the limited number of employees selected to package the books were told to divulge no details about the book to co-workers and friends.

66.  And so only limited numbers of officials have been cleared to speak about policy.

67.  Another is that the limited number of takeoff and landing slots at LaGuardia Airport in New York and National Airport in Washington insulates the two airlines from additional competition.

68.  And while a limited number of drug options are available for adults, even fewer can be used in children.

69.  Another pitfall is that researchers have extracted genetic fingerprints from only a limited number of African populations.

70.  Another problem is that there are only a limited number of technicians in the world with the capabilities to fix the systems, according to Ryback said.