"key instrument for" is correct and usable in written English.
It means that something is an important tool or means for achieving a certain goal or purpose. Example: Education is a key instrument for promoting social and economic development in a country.
Instead, the euro now looks more like the key instrument for establishing Berlin's dominance over central Europe.
It begins with synths, the common thread in 2012 debut Mars, and the key instrument for bands like Yeasayer and Caribou, with whom Gallab served his apprenticeship.
Therefore, promoting the EU is also the key instrument for our success in global competition and for ensuring stability, growth and security.
Given tight government finances, monetary policy remains a key instrument for supporting demand," adding, "even though monetary stimulus may not always be sufficient and carries its own risks".
Mr Chalabi allegedly was a key instrument for the hawks.Why given all its other problems would the Bush administration embrace such a controversial figure?
FP6 will be a key instrument for implementing the EU's vision of a European Research Area (ERA).
"It also has great stretches of dunes and complex hydrocarbons," said Zarnecki, who helped design key instruments for the Huygens probe that landed on Titan in 2005.
Rolex has also designed and made two key instruments for Bloodhound's cockpit, and this month we unveiled them in public for the first time.
The key instruments for the telescope have been tested and delivered, the structure completed and the (folding) tennis-court sized heat shield finalised.
The Plasma Wave Experiment (PWE) was developed as one of the key instruments for this project, in order to observe electric fields, plasma waves, and radio waves in geospace (Kasahara et al. 2016).
Transparency measures are key instruments for improving trade policy in sustaining effective trade rules and obligations and in the same way the FTA measure, which have revealed the rising direction toward expansion.
