Bulbs 24 may be deactivated upon {HEAD ~ a second manual “flip}” of {TAIL ~ switch} 40 
of
Bulbs 24 may be deactivated upon { HEAD ~ a second manual “ flip } ” of { TAIL ~ switch } 40
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH