Preferred triggering events include {HEAD ~ light} of {TAIL ~ a suitable wavelength} and intensity to activate the microorganism neutralizer or a pH sufficient to activate the microorganism neutralizer 
Preferred triggering events include { HEAD ~ light } of { TAIL ~ a suitable wavelength } and intensity to activate the microorganism neutralizer or a pH sufficient to activate the microorganism neutralizer
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH