71.   And there are also some technical questions about how the system would work in practice.

72.   And though his system now works smoothly, there were countless quirks and intricacies to master along the way.

73.   And the overworked drainage system was still working hard Tuesday with the possibility of more rain to come.

74.   And when all is said and done, the system usually works just fine.

75.   And while full order books might suggest that the system has worked well for Airbus, Pierson knows that its operations are fraught with duplication and inefficiencies.

76.   And the system worked promptly.

77.   And, yes, the system works in rainy weather.

78.   Another reason the system works is that the volunteers have fun working as a team.

79.   Another question is whether the accountability system is working for minority students.

80.   Antitheft systems can work, particularly if they disable the engine as well as sound an alarm.