51.   Kalb said market operators have a responsibility to make sure their vendors are properly certified and that their certificates are placed at the point of sale.

52.   Many cable operators have plans for channel expansion, but they are also looking forward to the beginning of digital service.

53.   Margraf said service-station operators have little or no say in gas prices.

54.   Make sure the operator has liability insurance in case something goes wrong.

55.   More operators had to be hired to handle the load.

56.   Nobody doubts that if hotel operators had more rooms available, they could rent them immediately.

57.   Not too long ago, defibrillators were so complicated that the operators had to be specially trained to read the screens and interpret the heart waves.

58.   Operators also will have to require out-of-state applicants to furnish character references from their local police chief and three others.

59.   Other tour operators have similar reservations.

60.   Others point out that exempt tour operators have reasons beyond the fear of the FAA to stay safe.