{HEAD ~ This invention} in general relates to a hydraulic or pneumatic control mechanism and specifically to {TAIL ~ a hydraulic or pneumatic torque} or force amplifying actuator and method for controlling said actuator 
relates specifically to
{ HEAD ~ This invention } in general relates to a hydraulic or pneumatic control mechanism and specifically to { TAIL ~ a hydraulic or pneumatic torque } or force amplifying actuator and method for controlling said actuator
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH