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