The longitudinal members of the frame may be formed of sections of EMT material, or may alternatively be formed of {HEAD ~ poles} cut in {TAIL ~ the field}, if so desired 
cut in
The longitudinal members of the frame may be formed of sections of EMT material , or may alternatively be formed of { HEAD ~ poles } cut in { TAIL ~ the field } , if so desired
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH