Matched context for block off and depressurize

The page lists matched contexts for block off and depressurize.

Share - block off	Share - depressurize	Phrase
4.30%	20.23%	{block off or depressurize} chamber [perform operation]
3.29%	6.37%	{block off or depressurize} cylinder [perform operation]
4.06%	3.86%	valve [does] {block off or depressurize}
2.24%	1.42%	{block off or depressurize} modal can
1.15%	2.41%	means [does] {block off or depressurize}