Matched context for unblock and throttle

The page lists matched contexts for unblock and throttle.

Share - unblock	Share - throttle	Phrase
13.84%	2.12%	{unblock or throttle} port [perform operation]
5.48%	3.71%	{unblock or throttle} passage [perform operation]
16.55%	0.76%	{unblock or throttle} opening [perform operation]
3.39%	3.29%	valve [does] {unblock or throttle}
10.55%	0.88%	{unblock or throttle} orifice [perform operation]
4.53%	1.68%	means [does] {unblock or throttle}
4.83%	1.09%	{unblock or throttle} line [perform operation]