Matched context for stratify and preheat

The page lists matched contexts for stratify and preheat.

Share - stratify	Share - preheat	Phrase
11.82%	10.94%	{stratify or preheat} fuel [perform operation]
21.89%	5.18%	{stratify or preheat} mixture [perform operation]
3.47%	17.03%	{stratify or preheat} air [perform operation]
3.90%	1.46%	{stratify or preheat} gas [perform operation]
2.26%	1.05%	{stratify or preheat} chamber [perform operation]
2.54%	0.47%	provide for {stratify or preheat}
1.90%	0.35%	time [temporal] {stratify or preheat}