21.   Every so often, a maintenance crew cleans and powers up the cranes that used to hoist containers on and off freighters.

22.   Federal inspectors have flown more in USAir cockpits and overseen its maintenance crews more than with airlines that are economically healthier, the officials said.

23.   He started as a service man, cleaning up bad yarn bobbings, and was eventually promoted to lead the maintenance crew.

24.   It was retrieved for him later by Don Branske, a member of the maintenance crew at the TPC Sawgrass.

25.   K-State has been handling the conversion with its own maintenance crews, and architectural designs have been prepared by university architect Gerald Carter.

26.   Just before he arrived, a maintenance crew switched the podium he would use from one with a state seal to one without one.

27.   Maintenance crews in the summer are constantly busy not just repairing roads, but constantly re-repairing them, at substantial cost.

28.   Maintenance crews shut the system down and stopped the leak, and also replaced the defective pump.

29.   Maintenance crews thought they fixed the electrical problem, so Darrington tried again on Friday to run on generator power.

30.   Maintenance crews are at the ready for the grease that still escapes.