https://www.ibtimes.co.uk/fatberg-river-congealed-fat-be-removed-under-whitehall-government-buildings-1473453
Fatberg London: River of Congealed Fat Threatens British Government | IBTimes UK
Nov 6, 2014 - Thames Water to remove 66ft mass of fat from under corridors of power in London.
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https://www.yourdictionary.com/congealed
Congealed Definition & Meaning | YourDictionary
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