Concordance for noun refining

The page lists top contexts for noun refining and their percentages (as applied to automotive subject domain).

Share	Phrase
43.60%	solvent [physical/chemical] refining
19.38%	raffinate from refining
11.90%	involve in refining
7.79%	oil refining
7.27%	petroleum refining
6.64%	refining process
1.70%	include refining [perform operation]
1.67%	refining [does] include