{TAIL ~ One important aspect} about {HEAD ~ this process} is the circulation of RO permeate which save on pure water production and chemicals supply 
{ TAIL ~ One important aspect } about { HEAD ~ this process } is the circulation of RO permeate which save on pure water production and chemicals supply
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH