Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4821002
Is Reference of Zavorra idrica-it#Sense
Vandballast-da#Sense
Eau de ballastage-fr#Sense
Lastro de água-pt#Sense
Vesipainolasti-fi#Sense
Acqua di zavorra-it#Sense
Υδάτινο έρμα-el#Sense
Θαλάσσερμα-el#Sense
Water ballast-en#Sense
Wasserballast-de#Sense
Waterballast-nl#Sense
Lastre de agua-es#Sense