The invention simultaneously provides a method for accurately settling down the well sinking structure into the ground.

本发明同时提供将沉井结构准确沉入地面的方法。

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Arsenic contamination is a major problem in the region where large water well sinking programmes have been carried out for the last 20 to 30 years.

BBC: Bangladesh's arsenic water concern

The key is to stop sinking money into assets that are sinking as well.

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Venice is both a well-preserved monument and a living, breathing, sinking city, full of contemporary art, traditional crafts and high culture.

BBC: Living in: Venice