Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Pipe-en#Sense
Conduite-fr#Sense
Leitung-de#Sense
Αγωγός-el#Sense
Manifold-en#Sense
Conduit-en#Sense
Culvert-en#Sense
Manifold-mt#Sense