Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Encrassement-fr#Sense
Verstopping-nl#Sense
Entupimento-pt#Sense
Incrustaciones-es#Sense
Insudiciamento-it#Sense
Ablagerungen-de#Sense
Έμφραξη αγωγού-el#Sense
Saostuminen-fi#Sense
Fouling-en#Sense
Tilstopning-da#Sense