Matched context for firing and gap

The page lists matched contexts for firing and gap.

Share - firing	Share - gap	Phrase
3.37%	13.13%	spark {firing or gap}
5.84%	2.73%	plug {firing or gap}
1.05%	0.30%	{firing or gap} plug
1.18%	0.18%	{firing or gap} voltage
0.18%	0.17%	{firing or gap} [does] ignite
0.13%	1.39%	electrode {firing or gap}
0.96%	0.71%	ignition {firing or gap}
0.20%	0.49%	provide {firing or gap} [perform operation]
0.12%	0.66%	small [size] {firing or gap}