Matched context for spark and preheating

The page lists matched contexts for spark and preheating.

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