{HEAD ~ An adder} generates a final control signal by adding the first and the second control signals and provides {TAIL ~ the final control signal} to the plant, wherein the final control signal is used to control the plant 
provides
{ HEAD ~ An adder } generates a final control signal by adding the first and the second control signals and provides { TAIL ~ the final control signal } to the plant , wherein the final control signal is used to control the plant
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH