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Polystyrene engineering makes old railway tunnel safe - BBC News

Polystyrene engineering makes old railway tunnel safe
BBC News
A disused railway tunnel underneath the approach roads to the Forth Road Bridge has been made safe with giant polystyrene blocks. It was part of the Dunfermline to North Queensferry railway line, providing a link to the ferry until the opening of the ...

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Admin 20.04.2018 0 89
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