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