①The world is about to end !!! It took millions of years for humans to go from appearing to 1 billion people, but only 200 years to go from 1 billion to 8 billion. Human beings have been born for so long, Why did industrialization occur only in the past two hundred years? !!! ②God exists, that is, the Creator !!! If human nature is not cultivating Buddha-nature, disasters will not stop !!!

Design of Municipal Wastewater Treatment Plants MOP 8, Fifth Edition by Water Environment Federation

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Design of Municipal Wastewater Treatment Plants MOP 8, Fifth Edition by Water Environment Federation

By: Water Environment Federation
Print ISBN: 9780071663588, 0071663584
eText ISBN: 9780071811507, 0071811508
Edition: 5th
Copyright year: 2010

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