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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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3 fev 7500 ano - Early sanitation

Descrição:

Clay pipes were evident during this period of time where civilians knew of dumping waste safely. Vertical shafts were utilized for disposal of waste and wells were used for fresh water. This was seen in the earliest settled societies such as the Indus Valley, Mesopotamia, and Iran.

Adicionado na linha do tempo:

Timeline on Deadly Diseases of the World

ByNhimy Ly
14 dez 2018
1
0
651

Data:

3 fev 7500 ano
Agora
~ 5477 years and 0 months later
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