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Окончателното ръководство към механизацията

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Drinking water wheels day to your Roman period of time and have been used to grind grain and elevate irrigation h2o. Water-run bellows had been in use on blast furnaces in China in 31 AD. Она работает на малых энергозатратах, что позволяет сэкономить ресурсы и снизить эксплуатационные расходы. В https://tonyb504fzr1.wikicorrespondent.com/user

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