{HEAD ~ The body portion} 32 thus contains {TAIL ~ many magnetic flux lines} at a higher density than the surrounding air 
contains
{ HEAD ~ The body portion } 32 thus contains { TAIL ~ many magnetic flux lines } at a higher density than the surrounding air
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH