{HEAD ~ The back panel} has {TAIL ~ a recess} 11 which is fixedly anchored and has a cross arm 10 for a grinding head guided in it 
has
{ HEAD ~ The back panel } has { TAIL ~ a recess } 11 which is fixedly anchored and has a cross arm 10 for a grinding head guided in it
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH