Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Προστατευτική γείωση-el#Sense
Ligação à terra de proteção -pt#Sense
Messa a terra protettiva-it#Sense
Skyddsjordning-sv#Sense
Suojamaadoitus-fi#Sense
Ert protettiv-mt#Sense
Sicherheitserdung-de#Sense
Mise à la terre de protection-fr#Sense
Földelés-hu#Sense
Protective earth-en#Sense
Puesta a tierra de protección-es#Sense
Aardverbinding-nl#Sense
(beskyttende)jordledning-da#Sense
Aardgeleiding-nl#Sense