{HEAD ~ A first lower case member} open at the top thereof supports {TAIL ~ a magnet} therein for establishing a magnetic field oriented parallel to a central axis of the lower case 
supports
{ HEAD ~ A first lower case member } open at the top thereof supports { TAIL ~ a magnet } therein for establishing a magnetic field oriented parallel to a central axis of the lower case
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH