Predictive Profiling is a particularly useful component of an aviation security toolbox.

The Android widget toolkit provides a lot of very useful components right out of the box.

Citric acid is a useful component of a buffer mixture because it has three pK values, separated by less than two.

At Wine Spectator, we believe the 100-point scale is a useful component of evaluating wines.

Human plasma proved to have several useful components other than albumin.

Such species are horticulturally useful components of flat ground cover.

As a business matter, such additions may provide consumers with a useful component that other compilations lack.

In March 1956, the hulk of 395 was stripped of all useful components and the rest was broken up for scrap.

It's not, quite, just by itself, but it apparently turns out to be-to have been-a useful component of such a device.

Tucker was seen by Smith as a potentially useful component for what has become a staggeringly ineffective power play.