Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Alcance con visibilidad directa-es#Sense
Näköetäisyys-fi#Sense
Synsvidde-distance-da#Sense
Distance de visibilité directe-fr#Sense
Direct-zichtafstand-nl#Sense
Sichtverbindungsdistanz-de#Sense
Distanza di visibilità diretta-it#Sense
Räckvidd för siktlinjen-sv#Sense
Alcance em linha de vista-pt#Sense
Εμβέλεια οπτικής επαφής-el#Sense
Line-of-sight range-en#Sense