Matched context for humidify and preheat

The page lists matched contexts for humidify and preheat.

Share - humidify	Share - preheat	Phrase
7.22%	10.94%	{humidify or preheat} fuel [perform operation]
40.79%	1.26%	{humidify or preheat} stream [perform operation]
14.33%	1.46%	{humidify or preheat} gas [perform operation]
6.15%	2.17%	prior [temporal] {humidify or preheat}