Matched context for obstruct and shut off

The page lists matched contexts for obstruct and shut off.

Share - obstruct	Share - shut off	Phrase
12.58%	4.80%	{obstruct or shut off} flow [perform operation]
11.15%	4.44%	{obstruct or shut off} communication [perform operation]
4.02%	3.58%	valve [does] {obstruct or shut off}
2.70%	2.39%	{obstruct or shut off} passage [perform operation]
2.18%	2.16%	{obstruct or shut off} line [perform operation]
5.93%	0.37%	{obstruct or shut off} path [perform operation]
1.87%	1.34%	{obstruct or shut off} port [perform operation]
2.34%	0.89%	position [does] {obstruct or shut off}
0.90%	1.10%	{obstruct or shut off} fuel [perform operation]
0.90%	1.87%	{obstruct or shut off} position [perform operation]
1.16%	1.13%	completely [degree] {obstruct or shut off}
1.03%	0.51%	{obstruct or shut off} air [perform operation]
0.90%	0.19%	{obstruct or shut off} gas [perform operation]
0.43%	0.74%	{obstruct or shut off} modal can
1.10%	0.73%	{obstruct or shut off} modal will
0.98%	0.76%	means [does] {obstruct or shut off}
1.25%	0.23%	member [does] {obstruct or shut off}
1.89%	0.36%	otherwise [manner] {obstruct or shut off}
1.49%	0.36%	position in {obstruct or shut off}
1.58%	0.37%	position [attribute] {obstruct or shut off}
1.42%	0.18%	seat [does] {obstruct or shut off}
0.89%	0.27%	selectively [manner] {obstruct or shut off}