{HEAD ~ This intermediary product} can be further processed by {TAIL ~ direct exposure} to carbonate solutions to form a second intermediary product comprising carbon, metal carbonate, and oxygen 
processed by
{ HEAD ~ This intermediary product } can be further processed by { TAIL ~ direct exposure } to carbonate solutions to form a second intermediary product comprising carbon , metal carbonate , and oxygen
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH