Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Abgesteifte Baugrube-de#Sense
Zanja entibada-es#Sense
Supported excavation-en#Sense
Fouille blindée-fr#Sense
Scavo armato-it#Sense
Timbered trench-en#Sense
Fundeeringsput met bekleeden wand-nl#Sense
Afstivet byggegrube-da#Sense
Afstivet udgravning-da#Sense
Όρυγμα με αντιστήριξη από ξυλεία-el#Sense