The water ionization switch selectively conducts {TAIL ~ electricity} when exposed to water and includes {HEAD ~ an initially dry non conductive crystallized compound} 
The water ionization switch selectively conducts { TAIL ~ electricity } when exposed to water and includes { HEAD ~ an initially dry non conductive crystallized compound }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD