Matched context for evacuation and introduction

The page lists matched contexts for evacuation and introduction.

Share - evacuation	Share - introduction	Phrase
4.98%	5.71%	air {evacuation or introduction}
2.14%	6.76%	fuel {evacuation or introduction}
3.08%	2.68%	permit {evacuation or introduction} [perform operation]
3.41%	2.28%	{evacuation or introduction} system
3.38%	2.10%	fluid {evacuation or introduction}
6.59%	1.05%	{evacuation or introduction} path
2.80%	2.06%	gas {evacuation or introduction}
7.72%	0.69%	vacuum {evacuation or introduction}
2.67%	1.33%	{evacuation or introduction} passage
2.45%	1.07%	prevent {evacuation or introduction} [perform operation]
3.15%	0.34%	{evacuation or introduction} device
5.53%	0.23%	{evacuation or introduction} valve
4.18%	0.29%	system {evacuation or introduction}