Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Energy grade line-en#Sense
Linea di carico totale-it#Sense
Linea dell'energia-it#Sense
Energy head line-en#Sense
Total head line-en#Sense
Energielinie-de#Sense
EGL-en#Sense
Energy line-en#Sense
Ligne d'énergie-fr#Sense
Ligne de charge-fr#Sense