A hook strap comprises {HEAD ~ a transverse arm} formed as {TAIL ~ a ribbon} for abutment on an top flange on a formwork girder 
formed as
A hook strap comprises { HEAD ~ a transverse arm } formed as { TAIL ~ a ribbon } for abutment on an top flange on a formwork girder
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH