Matched context for formation and contamination

The page lists matched contexts for formation and contamination.

Share - formation	Share - contamination	Phrase
1.94%	7.99%	prevent {formation or contamination} [perform operation]
1.96%	2.44%	reduce {formation or contamination} [perform operation]
0.81%	1.81%	avoid {formation or contamination} [perform operation]
0.37%	4.10%	co {formation or contamination}
0.69%	2.03%	minimize {formation or contamination} [perform operation]
0.32%	1.01%	{formation or contamination} [does] occur
0.18%	0.98%	amount {formation or contamination}
0.37%	0.81%	cause {formation or contamination} [perform operation]
0.24%	1.09%	surface {formation or contamination}
0.20%	2.42%	water {formation or contamination}