Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Geleiderol-nl#Sense
Poulie à gorge-fr#Sense
Polea-es#Sense
Τροχός τροχαλίας-el#Sense
Carrucola-it#Sense
Leitrolle-de#Sense
Sheave-en#Sense
Tovskive-da#Sense