Matched context for harden and coat

The page lists matched contexts for harden and coat.

Share - harden	Share - coat	Phrase
6.14%	5.92%	{harden or coat} surface [perform operation]
14.43%	1.27%	{harden or coat} material [perform operation]
12.17%	0.76%	{harden or coat} steel [perform operation]
7.08%	0.38%	material [does] {harden or coat}