Matched context for bc and pw

The page lists matched contexts for bc and pw.

Share - bc	Share - pw	Phrase
15.75%	8.86%	cylinder {bc or pw}
3.48%	18.79%	pressure {bc or pw}
3.32%	6.43%	brake {bc or pw}
2.20%	1.28%	hydraulic [physical/chemical] {bc or pw}