Matched context for lifting and unseating

The page lists matched contexts for lifting and unseating.

Share - lifting	Share - unseating	Phrase
4.23%	33.02%	valve {lifting or unseating}
3.31%	26.01%	{lifting or unseating} force
0.54%	33.83%	effect {lifting or unseating} [perform operation]
0.32%	7.12%	cause {lifting or unseating} [perform operation]