{HEAD ~ The second fracturing fluid} comprises the base fluid, sand, {TAIL ~ possibly a crosslinker}, and one or both of an adhesive and consolidation agent 
comprises
{ HEAD ~ The second fracturing fluid } comprises the base fluid , sand , { TAIL ~ possibly a crosslinker } , and one or both of an adhesive and consolidation agent
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH