Matched context for blockage and clogging

The page lists matched contexts for blockage and clogging.

Share - blockage	Share - clogging	Phrase
3.81%	11.56%	prevent {blockage or clogging} [perform operation]
6.62%	4.79%	{blockage or clogging} [does] occur
3.95%	7.59%	cause {blockage or clogging} [perform operation]
4.25%	2.64%	{blockage or clogging} [does] cause
2.36%	1.65%	fuel {blockage or clogging}