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</html><thumbnail_url>https://www.walraven.com/wp-content/uploads/sites/32/2016/10/rust_image1_480x470px.jpg</thumbnail_url><thumbnail_width>470</thumbnail_width><thumbnail_height>480</thumbnail_height><description>As an installer, you work a lot with steel. An excellent material but it does have a substantial disadvantage: it rusts. What is the best possible way to prevent corrosion of the installation and fixing materials? We would like to explain how. Corrosion occurs everywhere All ferrous materials, such as steel and even stainless steel, [&hellip;]</description></oembed>

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