Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Μετάδοση φωτός-el#Sense
Gaismas caurlaidība-lv#Sense
Tarchur solais-ga#Sense
Trażmissjoni tad-dawl-mt#Sense
Light transmission-en#Sense