{HEAD ~ a piston assembly} placed through a hole of the buried magnet system and operatively connected to {TAIL ~ the buried magnet system}, wherein the reciprocating of the buried magnet system causes reciprocation of the piston assembly within a cylinder to create oscillating pressure within the cylinder, wherein 
operatively connected to
{ HEAD ~ a piston assembly } placed through a hole of the buried magnet system and operatively connected to { TAIL ~ the buried magnet system } , wherein the reciprocating of the buried magnet system causes reciprocation of the piston assembly within a cylinder to create oscillating pressure within the cylinder , wherein
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH