Each push button has a carriage adapted to be fitted on one side with {TAIL ~ an optional leaf spring contactor} engageable with {HEAD ~ fixed contact members} 
Each push button has a carriage adapted to be fitted on one side with { TAIL ~ an optional leaf spring contactor } engageable with { HEAD ~ fixed contact members }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD