{HEAD ~ A protective coating} is arranged on {TAIL ~ at least a portion} of the magnet to further insulate the magnet from the process fluid 
{ HEAD ~ A protective coating } is arranged on { TAIL ~ at least a portion } of the magnet to further insulate the magnet from the process fluid
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH