{HEAD ~ First and second end supports} are provided which are capable of supporting {TAIL ~ respective first and second ends} of the length of the barrier member when the barrier member is extended between the end supports 
{ HEAD ~ First and second end supports } are provided which are capable of supporting { TAIL ~ respective first and second ends } of the length of the barrier member when the barrier member is extended between the end supports
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH