Waste Water Engineering
The pressure exerted by

Pressure sewers are designed to be safe in tension
The internal pressure if any, causes tensile stress in the pipe material
All listed here
The sewage when running full from inside, is called internal pressure

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Waste Water Engineering
The stone ware sewers

All listed here
Are manufactured from clays and shale
Are used for carrying sewage and drainage from houses
After casting are dried and burnt at temperature 150°C, 700°C and 1200°C

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