Matched context for quality and cleanliness

The page lists matched contexts for quality and cleanliness.

Share - quality	Share - cleanliness	Phrase
3.56%	13.68%	improve {quality or cleanliness} [perform operation]
0.78%	16.69%	maintain {quality or cleanliness} [perform operation]
1.23%	5.47%	high [size] {quality or cleanliness}
1.21%	5.67%	oil {quality or cleanliness}
0.32%	17.32%	improvement in {quality or cleanliness}
0.10%	31.67%	engine {quality or cleanliness}