Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Palo di fondazione-it#Sense
Pieu de fondation-fr#Sense
Pilote de cimentación-es#Sense
Gruendungspfahl-de#Sense
Foundation pile-en#Sense
Estaca de fundação-pt#Sense