1.   Many patients with severe chemical sensitivity trace their problems back to an incident of this sort.

2.   Sometimes it is possible to trace some problems with tempo or balance to the parts the musicians are using.

3.   After an exhaustive engineering review, the commission traced the problem to the lowest tier of the wedding cake shaped tower, Robinson said.

4.   But technicians later traced the problem to a bent wire whose insulation had been torn away, which shorted when it touched a metal screw head.

5.   Chambliss traced the problems to the day a month ago when John Wetteland, the effective closer, went on the disabled list.

6.   Demographers for New York City believe the problem can be traced largely to the rewording of a census question about Hispanic ethnicity.

7.   Eventually, working with the American Water Works Association, the district traced the problem to the dip tubes.

8.   Energy Department officials said they traced the problem to the outside pipe after technicians found elevated radiation in part of the reactor building.

9.   Experts have traced the problem to breaks in the two hair-thin wires of copper and silver that supply electricity to the spin motor of each gyroscope.

10.   Goldenberg said the problem was traced to a snippet of software added by a programmer as part of a project to speed the service.