Matched context for deposit and precursor

The page lists matched contexts for deposit and precursor.

Share - deposit	Share - precursor	Phrase
3.38%	16.97%	sludge {deposit or precursor}
3.95%	2.38%	{deposit or precursor} formation
0.41%	21.44%	soot {deposit or precursor}
1.83%	0.71%	form {deposit or precursor} [perform operation]
0.14%	2.99%	contain {deposit or precursor} [perform operation]
0.07%	2.48%	have {deposit or precursor} [perform operation]