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improvement in is the most popular phrase on the web.

improvement on 1705,000 results on the web	improvement in 190,300,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
more. phrase. Contribute to our Open Dictionary · better than something that existed before. The service is definitely an improvement on what we had last time . an improvement on something. This is the British English definition of improvement. View American English definition of improvement. Change your default ... Feb 14, 2012 ... It could be an improvement 'of the current curriculum' an improvement 'in performance' or an improvement 'on previous attempts." ... Dr Hooke made the important improvement on Gascoigne's micrometer of substituting parallel hairs for the parallel edges of its original construction ( Hooke's ...	But there is certainly room for further improvement in cooperation. There is currently room for improvement in consumer protection regulations. Lastly, this crisis totally justifies a vital improvement in the traceability of foodstuffs. We should start to see some improvement in his liver function soon. However, better services also require an improvement in vocational training. A service provides and uses supports the user in achieving an improvement in performance. There is still room for improvement in our own attitudes. There is room for improvement in the European regulations.

improvement on

1705,000 results on the web

improvement in

190,300,000 results on the web

More popular!

more. phrase. Contribute to our Open Dictionary · better than something that existed before. The service is definitely an improvement on what we had last time .
an improvement on something. This is the British English definition of improvement. View American English definition of improvement. Change your default ...
Feb 14, 2012 ... It could be an improvement 'of the current curriculum' an improvement 'in performance' or an improvement 'on previous attempts." ...
Dr Hooke made the important improvement on Gascoigne's micrometer of substituting parallel hairs for the parallel edges of its original construction ( Hooke's ...

But there is certainly room for further improvement in cooperation.
There is currently room for improvement in consumer protection regulations.
Lastly, this crisis totally justifies a vital improvement in the traceability of foodstuffs.
We should start to see some improvement in his liver function soon.
However, better services also require an improvement in vocational training.
A service provides and uses supports the user in achieving an improvement in performance.
There is still room for improvement in our own attitudes.
There is room for improvement in the European regulations.