In these roles, it is a key tool, and perhaps the only reliable tool.

They are reliable tools to study how the future debris environment reacts to various mitigation practices.

This makes it a more reliable tool when the system is in dire maintenance conditions.

She had dealt with traitors before, men whose self-interest made them simple, reliable tools.

Thus making it a reliable tool for measuring similarity between two clusters.

And the Buccaneers re-established defense as a reliable tool for success.

This survey is not a reliable tool for adjusting the census all the way down to the block level.

The Test is not regarded as a reliable diagnostic tool.

The register is proving a reliable and effective tool, which the public can use to acquire information on Council documents.

It can also be one of the less reliable tools as well.