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Before the public toilet operation in Ninghe District, Tianjin, April 27, 2020, there was a lot of waste in the septic tank.
In the operation of public toilets in Ninghe District, Tianjin, the treatment of harmless treatment vehicles is in progress.
After the operation of the public toilets in Ninghe District, Tianjin, the septic tank was cleaned up and there was no residual fecal waste.
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