Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Brake incline-en#Sense
Self-acting incline-en#Sense
Self-acting plane-en#Sense
Gravity plane-en#Sense
Canivia-fr#Sense
Bremsberg-de#Sense
Skråbane-da#Sense