Matched context for arc-gap and plug

The page lists matched contexts for arc-gap and plug.

Share - arc-gap	Share - plug	Phrase
12.03%	31.32%	spark {arc-gap or plug}
12.35%	1.82%	ignition {arc-gap or plug}
7.91%	0.26%	least [degree] {arc-gap or plug}
6.37%	0.26%	have {arc-gap or plug} [perform operation]