81.   I only raced one time last year and was leading the race at Portland when I had a slight mechanical problem.

82.   If it remains stuck inside the machine, there may be a larger mechanical problem, and you should probably have a computer-repair professional take a look.

83.   If the lawn mower has mechanical problems, you might as well have it serviced now instead of waiting until spring when repair shops may be swamped.

84.   In an interview last week, he said he hopes to try again next winter, if he can solve the mechanical problems.

85.   Inspect windows inside and out at least once a year to check for deterioration or mechanical problems.

86.   In the past, mechanical problems at some of these refineries affected production and caused gas prices to surge.

87.   Initial findings have contained no evidence of sabotage, serious mechanical problems, or critical malfunctions of navigation gear on the ground or in the plane.

88.   Investigators have found nothing in an analysis of the cockpit voice recorder that would point toward a bomb or a mechanical problem as the cause of its crash.

89.   Isolated mechanical problems in New York City with voting machines and shortages of emergency paper ballots resulted in long lines at some polling places last week.

90.   Is that a mechanical problem with the CD drive?