The other unusual factor in the playoff this year is the nature of the ball parks.

This year's elections were influenced by a broad array of unusual factors.

Most analysts are convinced last week's rise in interest rates was aggravated by an unusual new technical factor.

Other information, such as operating schedules, commitments and unusual factors contributing to the nomination may also be considered.

But because of such unusual factors, the contract might not have much influence on other labor contracts negotiated in New York.

The pictures, in fact, were only one unusual factor.

Construction also chalked up big gains, though unusual factors accounted for some of that.

It would appear there were many unusual factors in this assignment.

Many unusual factors had to be taken into consideration.

Some of the decline in earnings was attributable to unusual factors.