{TAIL ~ The splitting} up of {HEAD ~ the remaining fraction} high in plastics into the light fraction and the heavy fraction may take place using air sizing 
{ TAIL ~ The splitting } up of { HEAD ~ the remaining fraction } high in plastics into the light fraction and the heavy fraction may take place using air sizing
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH