{HEAD ~ This filter device} is used, for example, for {TAIL ~ the removal} of proteins from blood 
is used for
{ HEAD ~ This filter device } is used , for example , for { TAIL ~ the removal } of proteins from blood
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH