The grand of Water Pit stone is greatly cherished. The pure, clean and transparent stone is regarded as high value.

水坑石质地细嫩， 色泽纯正、透明，为昌化石之上品。

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Step Four: Suspend the pit over a glass filled with water.

步骤四：把油梨悬挂在一个装满水的玻璃杯里。

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Highly radioactive water from a damaged maintenance pit is leaking into the sea.

高放射性水体从毁坏的堆池中泄漏到大海中。

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The operation came a day after workers plugged a highly radioactive water leak from a concrete pit connected to the number two reactor, using sodium silicate - known as ''water glass''.

BBC: Japan quake: Nitrogen pumped into nuclear reactor

There are also fears that the mine being open-pit will contaminate water supplies.

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The miner currently being treated in hospital had walked from the pit to tell rescuers of dragging and swimming through the water to the mine entrance.

BBC: Welsh mine rescue: Third Gleision miner found dead