51.   A rescue helicopter was unable to land in the terrain but dropped a ladder and the seven Vietnamese troops climbed to safety.

52.   Actually, he was usually kept well out of sight, incoherent and unable to appear in public.

53.   After arriving, they sat six hours in an airport, hungry and tired, unable to seek help.

54.   After the surgery, he was in the hospital bed for six weeks unable to move.

55.   Also, Russia may become unable to export at its current rate as stockpiles dwindle.

56.   Although Byrd said he was able to achieve sales well ahead of his goals, he was unable to move into another position and left Xerox last year.

57.   Both want to preserve the essence of the bill enacted last year while finding money to care for those truly unable to work.

58.   But a number of Cup teams traveling to Fort Worth the past two weeks were unable to test because of damp conditions and seeping water.

59.   But among the people who called The New York Times seeking information about the class action were smokers who said they were ill, yet unable to quit smoking.

60.   But company and union officials already meet periodically and have been unable to bridge disagreements that produce several factory-level strikes almost every year.