{TAIL ~ The beams} 14 have a 1/2 inch square cross section, but {HEAD ~ other suitable shapes} may be used to separate and suspend the containers 12 
{ TAIL ~ The beams } 14 have a 1/2 inch square cross section , but { HEAD ~ other suitable shapes } may be used to separate and suspend the containers 12
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH