The phrase "a precious tool" is correct and usable in written English.
It can be used to describe an object or resource that is highly valued or considered very useful in a particular context.
Example: "In the world of education, technology has become a precious tool for enhancing learning experiences."
Alternatives: "an invaluable resource" or "a vital instrument".
Many of these poachers carry chain saws, a precious tool in this battle.
But, for making treatment decisions involving potentially life-threatening conditions, additional information gives providers a precious tool.
Therefore, numerical modeling techniques for analyzing fretting fatigue crack initiation provide a precious tool to study this phenomenon.
Finally, exposure monitoring with operational dosimetry became a precious tool for practice analyse and real time exposition staff evaluation.
They provide information not given by other tracing methods and are thus a precious tool for tunnelling engineers and geologists.
The dependence of this loss factor on the material properties and on the geometry of the structure makes it a precious tool for design.
Our comment on computational approach, using of command line languages, algorithm design is that it is a potent and precious tool but quite far from the mean expertise of a flow cytometer user, which should have a specific training and/or collaborating with a bioinformatician.
She and I have a similar belief in that communication is an inherent and precious tool that humans thrive off of and depend on.
The anisotropy of low-field magnetic susceptibility (AMS) is generally applied as an efficient and precious tool for characterizing the preferred orientation of ferro(i magnetic minerals in rocks and sediments (Hrouda 1982).
Over the last few years, deep learning has become a precious commercial tool, bringing unexpected leaps in image and voice recognition, and now it is being deployed to map the brain.
Tissue Doppler imaging (TDI), as a more recent ultrasound technique, is a precious diagnostic tool revealing earlier left ventricular (LV) contractility abnormalities as compared with the conventional echocardiography.
