Have you ever wondered how the sewer system works? Look no further! Discover the story behind the pipes beneath our feet. From facts on the first plumbing systems to information about how waste water gets treated and cleaned, readers will learn about why we need sanitation and the journey our waste and used water takes through the pipes.
Формат: Скан PDf
Формат: Скан PDf
https://www.yakaboo.ua/ua/stinking-sewers-what-happens-to-our-waste.html