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