The ends of the ribbon are provided with hook shaped retainers for engagement below {HEAD ~ parts} of a waler and {TAIL ~ tension elements} for fixing the hook strap 
of
The ends of the ribbon are provided with hook shaped retainers for engagement below { HEAD ~ parts } of a waler and { TAIL ~ tension elements } for fixing the hook strap
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH