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