Matched context for contaminant and ash

The page lists matched contexts for contaminant and ash.

Share - contaminant	Share - ash	Phrase
8.75%	4.04%	remove {contaminant or ash} [perform operation]
1.60%	4.60%	{contaminant or ash} removal
1.73%	2.28%	{contaminant or ash} particle
2.06%	1.03%	contain {contaminant or ash} [perform operation]
2.84%	0.54%	{contaminant or ash} level
0.62%	2.45%	residual [amount] {contaminant or ash}
0.41%	0.39%	fuel {contaminant or ash}
0.32%	0.64%	move {contaminant or ash} [perform operation]
0.66%	0.56%	present [chronology] {contaminant or ash}