Matched context for push down and push up

The page lists matched contexts for push down and push up.

Share - push down	Share - push up	Phrase
11.38%	10.37%	{push down or push up} piston [perform operation]
6.43%	13.54%	{push down or push up} valve [perform operation]
6.95%	12.34%	{push down or push up} rod [perform operation]
2.78%	8.47%	rod [does] {push down or push up}
2.49%	8.86%	{push down or push up} end [perform operation]
2.07%	11.05%	{push down or push up} member [perform operation]