Matched context for expansion and retraction

The page lists matched contexts for expansion and retraction.

Share - expansion	Share - retraction	Phrase
12.48%	5.72%	{expansion or retraction} stroke
13.29%	1.96%	{expansion or retraction} chamber
0.44%	6.91%	{expansion or retraction} spring
0.35%	6.84%	piston {expansion or retraction}
0.78%	2.35%	{expansion or retraction} valve
0.93%	1.39%	{expansion or retraction} [does] cause
0.77%	1.35%	cause {expansion or retraction} [perform operation]
0.47%	2.60%	shoe {expansion or retraction}
0.47%	1.46%	{expansion or retraction} device
0.22%	0.53%	{expansion or retraction} direction
0.20%	2.42%	{expansion or retraction} force
0.18%	0.68%	{expansion or retraction} means
0.33%	2.51%	{expansion or retraction} motion
0.27%	0.73%	{expansion or retraction} rate
0.25%	0.51%	{expansion or retraction} unit
0.13%	0.45%	{expansion or retraction} [does] increase
0.46%	1.85%	allow {expansion or retraction} [perform operation]
0.31%	0.64%	axial [direction] {expansion or retraction}
0.12%	1.08%	control {expansion or retraction} [perform operation]
0.17%	0.78%	effect {expansion or retraction} [perform operation]
0.18%	3.07%	limit {expansion or retraction} [perform operation]
0.49%	1.13%	permit {expansion or retraction} [perform operation]
0.18%	1.80%	prevent {expansion or retraction} [perform operation]
0.12%	0.38%	provide {expansion or retraction} [perform operation]
0.23%	0.50%	tube {expansion or retraction}