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Fire engine stuck in hole in street.
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9th September 2009, 11:02
G-CPTN
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Join Date: Sep 2008
Location: Tynedale
Age: 80
Posts: 3,698
Cavitation due to scouring (especially from leakage from a pressurised pipe) is commonplace. The surface 'structure' - usually a solid material such as tarmac or concrete can disguise this until a heavy load causes this to break through.
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