Matched context for surge and propane

The page lists matched contexts for surge and propane.

Share - surge	Share - propane	Phrase
51.52%	4.15%	{surge or propane} tank
0.57%	1.93%	{surge or propane} system
0.72%	0.52%	{surge or propane} chamber
0.20%	0.59%	{surge or propane} line
0.08%	0.27%	{surge or propane} valve
0.58%	0.29%	prevent {surge or propane} [perform operation]
0.14%	0.22%	provide {surge or propane} [perform operation]