Matched context for trapping and trapping

The page lists matched contexts for trapping and trapping.

Share - trapping	Share - trapping	Phrase
63.24%	63.24%	{trapping or trapping} vaporizer
20.27%	20.27%	{trapping or trapping} efficiency
8.32%	8.32%	{trapping or trapping} apparatus
4.82%	4.82%	{trapping or trapping} valve
3.34%	3.34%	fuel {trapping or trapping}