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  <!-- Tools Hub -->
  <url>
    <loc>https://corneta.tech/tools/</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>

  <!-- #1 Cylinder Force Calculator -->
  <url>
    <loc>https://corneta.tech/tools/cylinder-force/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/cylinder-force/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/cylinder-force/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/cylinder-force/" />
    <lastmod>2026-03-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://corneta.tech/tools/cylinder-force/en/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/cylinder-force/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/cylinder-force/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/cylinder-force/" />
    <lastmod>2026-04-03</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- #2 Air Consumption Calculator -->
  <url>
    <loc>https://corneta.tech/tools/air-consumption/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/air-consumption/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/air-consumption/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/air-consumption/" />
    <lastmod>2026-03-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://corneta.tech/tools/air-consumption/en/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/air-consumption/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/air-consumption/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/air-consumption/" />
    <lastmod>2026-03-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- #3 Fitting Selector -->
  <url>
    <loc>https://corneta.tech/tools/fitting-selector/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/fitting-selector/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/fitting-selector/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/fitting-selector/" />
    <lastmod>2026-03-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://corneta.tech/tools/fitting-selector/en/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/fitting-selector/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/fitting-selector/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/fitting-selector/" />
    <lastmod>2026-03-26</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- #4 Schema Builder (Flagship) -->
  <url>
    <loc>https://corneta.tech/tools/schema-builder/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/schema-builder/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/schema-builder/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/schema-builder/" />
    <lastmod>2026-03-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://corneta.tech/tools/schema-builder/en/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/schema-builder/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/schema-builder/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/schema-builder/" />
    <lastmod>2026-03-26</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>

  <!-- #5 Unit Converter -->
  <url>
    <loc>https://corneta.tech/tools/unit-converter/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/unit-converter/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/unit-converter/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/unit-converter/" />
    <lastmod>2026-03-29</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://corneta.tech/tools/unit-converter/en/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/unit-converter/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/unit-converter/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/unit-converter/" />
    <lastmod>2026-03-29</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- #6 Tube Diameter Calculator -->
  <url>
    <loc>https://corneta.tech/tools/tube-diameter/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/tube-diameter/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/tube-diameter/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/tube-diameter/" />
    <lastmod>2026-04-02</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://corneta.tech/tools/tube-diameter/en/</loc>
    <xhtml:link rel="alternate" hreflang="ru" href="https://corneta.tech/tools/tube-diameter/" />
    <xhtml:link rel="alternate" hreflang="en" href="https://corneta.tech/tools/tube-diameter/en/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://corneta.tech/tools/tube-diameter/" />
    <lastmod>2026-04-02</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

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