The apparatus may be used to form dilute aqueous chemical compositions, or {HEAD ~ mixtures} of chemical concentrates without {TAIL ~ added water} 
The apparatus may be used to form dilute aqueous chemical compositions , or { HEAD ~ mixtures } of chemical concentrates without { TAIL ~ added water }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL