{HEAD ~ The system} 10 includes a cylindrical column 12 and {TAIL ~ a reactor} 14 connected thereto 
includes
{ HEAD ~ The system } 10 includes a cylindrical column 12 and { TAIL ~ a reactor } 14 connected thereto
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH