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