{HEAD ~ An electrostatic means} establishes {TAIL ~ a fixed or varying force field} to reposition or recycle the material delivered 
establishes
{ HEAD ~ An electrostatic means } establishes { TAIL ~ a fixed or varying force field } to reposition or recycle the material delivered
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH