A three way valve operates to direct the flow of the concentrates into or bypassing {HEAD ~ a container} located at {TAIL ~ a filling station} in which the chemical composition is formed 
A three way valve operates to direct the flow of the concentrates into or bypassing { HEAD ~ a container } located at { TAIL ~ a filling station } in which the chemical composition is formed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH