Matched context for burn off and exhaust

The page lists matched contexts for burn off and exhaust.

Share - burn off	Share - exhaust	Phrase
2.96%	10.26%	{burn off or exhaust} gas [perform operation]
9.88%	0.73%	{burn off or exhaust} vapor [perform operation]
7.96%	0.76%	{burn off or exhaust} emission [perform operation]
7.84%	0.48%	{burn off or exhaust} co [perform operation]
7.84%	0.43%	{burn off or exhaust} hc [perform operation]
4.22%	0.65%	{burn off or exhaust} modal will
3.03%	0.54%	{burn off or exhaust} oil [perform operation]
5.70%	0.24%	{burn off or exhaust} particle [perform operation]