81.   While this keeps workers from falling behind, it also prevents them from getting ahead.

82.   Winter storms kept many workers at home and skewed data on wages and hours worked as well as the overall employment picture.

83.   Widespread publicity about layoffs has created a climate of insecurity that could keep workers from demanding higher wages.

84.   Winter storms kept many workers at home and skewed data on wages and hours worked, as well as the overall employment picture.

85.   Police broke up pickets by dock hands blockading wharves on Tuesday, dragging away protesters trying to keep non-union workers from unloading ships.

86.   Police surrounded the building to keep other workers out.

87.   Palestinian anger also is fed by the prolonged security blockade that keeps their workers out of Israel.

88.   Bernhard Jagoda, head of the Labor Office, said the steep climb is partly due to cold weather that has kept construction workers from their jobs.

89.   But a tape recording at the Office of Personnel Management indicated neither hurricane nor floods nor an empty House of Representatives would keep government workers from their appointed rounds.

90.   But it is the challenge of desert life that keeps many workers coming back.