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