Matched context for preheating and spark

The page lists matched contexts for preheating and spark.

Share - preheating	Share - spark	Phrase
11.07%	48.12%	{preheating or spark} plug
4.63%	0.29%	{preheating or spark} current
4.87%	0.25%	{preheating or spark} means
6.58%	0.09%	{preheating or spark} chamber
2.29%	0.10%	{preheating or spark} time
0.94%	0.15%	provide {preheating or spark} [perform operation]