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