of usable water into the sewage system.
When multiplied by daily use, the numbers can become much bigger. A typical household may flush many times a day, adding up to thousands of liters of water over the course of a year. Across millions of homes, the total amount of water used for flushing becomes substantial.
At the same time, many parts of the world face water shortages or increasing pressure on water supplies. This raises an important question about how efficiently we use a resource that is becoming increasingly valuable.
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