Matched context for flame and piston

The page lists matched contexts for flame and piston.

Share - flame	Share - piston	Phrase
0.13%	0.30%	{flame or piston} [does] reach
0.14%	0.21%	cause {flame or piston} [perform operation]
0.25%	0.13%	form {flame or piston} [perform operation]
0.11%	0.25%	main [importance] {flame or piston}