Matched context for evacuation and scavenging

The page lists matched contexts for evacuation and scavenging.

Share - evacuation	Share - scavenging	Phrase
2.67%	9.90%	{evacuation or scavenging} passage
5.53%	3.36%	{evacuation or scavenging} valve
10.43%	1.54%	complete [certainty] {evacuation or scavenging}
7.01%	1.82%	chamber {evacuation or scavenging}
2.89%	2.18%	{evacuation or scavenging} process
3.41%	1.55%	{evacuation or scavenging} system
2.80%	1.07%	gas {evacuation or scavenging}
2.20%	0.97%	{evacuation or scavenging} line
3.08%	0.65%	permit {evacuation or scavenging} [perform operation]
4.98%	0.31%	air {evacuation or scavenging}
3.36%	0.21%	line {evacuation or scavenging}