81.   The major operators have permits from the Port Authority to pick up passengers as well as drop them off.

82.   The retransmission leverage enjoyed by big programmers is perhaps the primary counterweight to the control that cable operators have over what appears on their systems.

83.   The ski operators have a lot of hurdles to overcome.

84.   The tour operator has a loyal clientele.

85.   The technology encodes in a form that can be readily processed by a computer all the diagnostic knowledge that any good systems operator would have.

86.   There are plenty of empty rooftops to pick from, meaning the operators have most of the bargaining power when it comes to hammering out a lease.

87.   They pander to compulsive gamblers, some of them elderly people living on fixed incomes, investigators say, and their operators have links to organized crime.

88.   To avoid prosecution, the Web site operators would have to use an elaborate system to verify the age of those seeking access.

89.   Travel agents can also prove indispensable in finding out if a tour operator has a good track record.

90.   TransGuide operators have five computer and television screens directly in front of them, plus a two-story wall of several dozen screens whose images can be rearranged.