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Question

What are the specialities of bio-digester tanks in the train toilets?

A
They are small scale waste collection tanks.
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B
They produce minimal waste.
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C
They do not release waste on the track.
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D
They release bio-digested waste on tracks.
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Solution

The correct options are
A They are small scale waste collection tanks.
B They produce minimal waste.
C They do not release waste on the track.
Bio-digester tanks are small sacle waste collection tanks below the train toilet seats. They produce minimal waste and do not release waste on the the railway tracks.

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