According to exemplary embodiments, a device for {TAIL ~ air sifting} is provided for {HEAD ~ splitting} up the remaining fraction 
According to exemplary embodiments , a device for { TAIL ~ air sifting } is provided for { HEAD ~ splitting } up the remaining fraction
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH