Matched context for heat up and start up

The page lists matched contexts for heat up and start up.

Share - heat up	Share - start up	Phrase
6.32%	18.63%	engine [does] {heat up or start up}
1.49%	32.95%	{heat up or start up} engine [perform operation]
0.79%	1.63%	not {heat up or start up}