The reciprocating of {TAIL ~ the buried magnet system} causes {HEAD ~ reciprocation} of the piston assembly within a cylinder to create oscillating pressure within the cylinder 
The reciprocating of { TAIL ~ the buried magnet system } causes { HEAD ~ reciprocation } of the piston assembly within a cylinder to create oscillating pressure within the cylinder
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH