{HEAD ~ These solutions} are subjected to {TAIL ~ electrolysis} with copper being reduced at the cathode and the metal chloride being oxidized at the anode 
are subjected to
{ HEAD ~ These solutions } are subjected to { TAIL ~ electrolysis } with copper being reduced at the cathode and the metal chloride being oxidized at the anode
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH