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