Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Laskuputki-fi#Sense
Poistoputki-fi#Sense
Soil-or-waste stack-en#Sense
Viemäriputki-fi#Sense
Tuyau de chute unique-fr#Sense
Chute unique-fr#Sense