Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Betão-pt#Sense
Concrete-en#Sense
Betong-sv#Sense
Calcestruzzo-it#Sense
Hormigón-es#Sense
Béton-fr#Sense
Beton-de#Sense
Beton-nl#Sense
Beton-da#Sense