Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Tura di sicurezza-it#Sense
Kistdam-nl#Sense
Fangkiste-da#Sense
Πρόφραγμα ασφαλείας-el#Sense
Ataguía de reserva-es#Sense
Hulpwaterkeering-nl#Sense
Hjælpefangdæmning-da#Sense
Batardeau de secours-fr#Sense
Hilfsfangedamm-de#Sense
Safety coffer-dam-en#Sense
Tura di riserva-it#Sense