It is important to remember that parts, more often than not, fail individually.

But for the 737 there is no probability analysis of how often certain parts would fail, he said.

And most important, don't throw out the whole machine just because one part has failed.

Who could be sued if some part of the bridge ultimately failed?

The northern part of the operation failed, without gaining much ground.

However, they did not turn the main gas valve on and that part of their plan failed.

Several other parts of the system failed in earlier exercises.

Neither cared that one part of Henry's plan had already failed.

This particular part of the hotel never failed to delight him.

And if one part fails, officials said, the 30-day test period will begin anew.