Matched context for cleaning and prior-art

The page lists matched contexts for cleaning and prior-art.

Share - cleaning	Share - prior-art	Phrase
19.44%	24.49%	{cleaning or prior-art} apparatus
16.56%	20.05%	{cleaning or prior-art} system
19.83%	10.38%	{cleaning or prior-art} device
3.18%	2.67%	{cleaning or prior-art} unit