{HEAD ~ The arm} 14 is elongated, having a first end 44 and a second end 46 and {TAIL ~ a middle section} 48 therebetween 
{ HEAD ~ The arm } 14 is elongated , having a first end 44 and a second end 46 and { TAIL ~ a middle section } 48 therebetween
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH