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Най-добрата страна на механизацията

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Drinking water wheels day to the Roman period of time and have been accustomed to grind grain and elevate irrigation h2o. Drinking water-powered bellows had been in use on blast furnaces in China in 31 AD. Повышение качества продукции – использование механических устройств и систем позволяет добиться более высокой https://matth793xjw1.wikipublicity.com/user

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