{HEAD ~ Stopper} 26 further is provided with {TAIL ~ a threaded opening} 29 for a nut 30 
{ HEAD ~ Stopper } 26 further is provided with { TAIL ~ a threaded opening } 29 for a nut 30
HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH