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