#393 effluent

effluent- liquid discharged as waste, as from an industrial plant or sewage works; aradioactive waste released from a nuclear power station; something that flows out or forth

C18 from Latin effluere to run forth, from fluere to flow

There are many unknowns, including the raw materials themselves, and zero-gravity smelting, and recycling of effluent gases such as carbon dioxide.

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