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