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