Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Pertuis de chasse-fr#Sense
Δίοδος καθαρισμού-el#Sense
Διώρυξ ταχείας ροής-el#Sense
Sieqja-mt#Sense
Canal de escoamento rápido-pt#Sense
Luukullinen pohja-aukko-fi#Sense
Luce di cacciata-it#Sense
Ablass-de#Sense
Sluice-en#Sense
Lugeåbning-da#Sense
Spuisluis-nl#Sense
Comporta de descarga-pt#Sense
Grundablass-de#Sense
Utskovsöppning-sv#Sense