Matched context for bleed off and evacuate

The page lists matched contexts for bleed off and evacuate.

Share - bleed off	Share - evacuate	Phrase
29.25%	11.43%	{bleed off or evacuate} air [perform operation]
15.99%	1.34%	{bleed off or evacuate} pressure [perform operation]
6.49%	3.14%	{bleed off or evacuate} fuel [perform operation]
8.44%	0.78%	valve [does] {bleed off or evacuate}