Question

The network system that carries the sewage ​

Answer 1

Answer:

Trunk sewers carry sewage from the main pipes and pump stations to the sewage treatment plant. These are huge sewer pipes that are generally more than 300 millimetres (30 centimetres) in diameter, and can be more than two metres across. These trunk sewers can be tunnelled through hills, and bridged over creeks.

Explanation:

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Answer 2

Trunk sewers carry sewage from the main pipes and pump stations to the sewage treatment plant. These are huge sewer pipes that are generally more than 300 millimetres (30 centimetres) in diameter, and can be more than two metres across. These trunk sewers can be tunnelled through hills, and bridged over creeks.️️