11.   The logic is to give dispatchers the ability to pinpoint any vehicle in two minutes or less during emergencies or mechanical breakdowns.

12.   The passage to the border took several harrowing days because of mechanical breakdowns.

13.   The plants are prone to coal shortages and mechanical breakdowns.

14.   The slightest error in navigation or a mechanical breakdown can put an entrant hopelessly at the rear of the field.

15.   The work was scheduled to be completed last week, but a mechanical breakdown in the paving machine designed to work the banked turns prompted a postponement.

16.   These policies insure customers against mechanical breakdowns.

17.   When practice resumed several hours later, after a long rain delay, it was interrupted by a mechanical breakdown.

18.   The passenger train bound to Basra in southern Iraq hit the freight train, which had stopped after a mechanical breakdown, the weekly Al-Zawra reported.

19.   The passenger train bound for Basra in southern Iraq hit the freight train, which had stopped after a mechanical breakdown, the weekly Al-Zawra reported.

20.   They found it doubled survival after one year and tripled it after two years, even though complications such as infections and mechanical breakdowns were a significant problem.