The hook strap may be mounted at any location of {TAIL ~ a formwork girder} or of a waler to interconnect formwork girders and connect formwork girders to {HEAD ~ a waler} 
The hook strap may be mounted at any location of { TAIL ~ a formwork girder } or of a waler to interconnect formwork girders and connect formwork girders to { HEAD ~ a waler }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD