Matched context for direct-acting and rear-wheel

The page lists matched contexts for direct-acting and rear-wheel.

Share - direct-acting	Share - rear-wheel	Phrase
60.25%	42.36%	{direct-acting or rear-wheel} brake
24.97%	2.62%	{direct-acting or rear-wheel} valve
14.76%	1.78%	{direct-acting or rear-wheel} system