Matched context for purify and reform

The page lists matched contexts for purify and reform.

Share - purify	Share - reform	Phrase
18.01%	8.51%	{purify or reform} gas [perform operation]
0.57%	31.51%	{purify or reform} fuel [perform operation]
0.96%	2.79%	system [does] {purify or reform}
0.27%	5.26%	{purify or reform} mixture [perform operation]
0.91%	1.63%	{purify or reform} modal can
0.47%	2.07%	means [does] {purify or reform}