{TAIL ~ The slurry} thus obtained is placed in {HEAD ~ an electrolytic cell} and the slurry is circulated 
{ TAIL ~ The slurry } thus obtained is placed in { HEAD ~ an electrolytic cell } and the slurry is circulated
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH