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Shaft expansion underground Shaft expansion underground
RAG Bildarchiv, Saarbrücken and Staatskanzlei des Saarlandes Open Gallery
State Chancellery Saarland
Saarbrücken, Germany
Support elements and shaft lining are used to secure and keep open underground rooms. Such liners are usually made up of metal, wood, rock and concrete and serve as protection against rock as well as coalfall and offer some degree of protection against the immense pressure of the mountain.
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Details
- Title: Shaft expansion underground Shaft expansion underground
- Creator: RAG Bildarchiv, Saarbrücken, Staatskanzlei des Saarlandes Open Gallery, Staatskanzlei des Saarlandes Open Gallery
- Subject Keywords: Das Erbe Kapitel 18 – Langer Abschied, Das Erbe Kapitel 18 – Langer Abschied
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