This gas stream or curtain may aid in shielding {TAIL ~ the spray formations} between {HEAD ~ adjacent nozzles} or may aid in compressing the spray pattern 
This gas stream or curtain may aid in shielding { TAIL ~ the spray formations } between { HEAD ~ adjacent nozzles } or may aid in compressing the spray pattern
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH