A second operative position is defined when the first or second channel is disconnected from the panel such that the safety device taughtly extends between the first and second channels in {HEAD ~ order} to support {TAIL ~ the second channel} 
to support
A second operative position is defined when the first or second channel is disconnected from the panel such that the safety device taughtly extends between the first and second channels in { HEAD ~ order } to support { TAIL ~ the second channel }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL