Matched context for copper and lead

The page lists matched contexts for copper and lead.

Share - copper	Share - lead	Phrase
0.40%	0.42%	{copper or lead} borate
1.06%	0.49%	{copper or lead} carboxylate
0.40%	0.41%	{copper or lead} halide
0.35%	0.40%	{copper or lead} nitrate
0.36%	0.37%	{copper or lead} phosphate
0.40%	0.44%	{copper or lead} sulfate
0.44%	0.46%	{copper or lead} thio-phosphates
0.44%	0.45%	{copper or lead} thiocyanate
0.23%	0.29%	add {copper or lead} [perform operation]
0.07%	0.22%	contain {copper or lead} [perform operation]
0.26%	0.27%	corrosive to {copper or lead}
0.05%	0.74%	have {copper or lead} [perform operation]
0.13%	0.27%	include {copper or lead} [perform operation]