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Wind turbines on the grasslands of Inner Mongolia, China
electric poles with electric cables and multimedia cables. This is a sight that is often seen in middle-class residential areas in indonesia.
Biological purification takes place in a biological reactor.pollution from wastewater is removed using microorganisms called activated sludge. large-capacity tanks with aeration, nozzles, sprinkler
Female architect analyzes energy efficiency by calculating solar panel output, wind turbine capacity, and energy demand using home models, promoting renewable energy use in smart home design.
Low battery indicating neon. glowing low battery concept illustration background.

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