Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Airscrew-en#Sense
Propeller-en#Sense
Propeller-de#Sense
Luchtschroef-nl#Sense
Luftschraube-de#Sense
Hélice-es#Sense
Hélice-pt#Sense
Hélice-fr#Sense
Propel-da#Sense
Έλικας-el#Sense
Elica-it#Sense
Schroef-nl#Sense
Propulsore-it#Sense