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chromium/third_party/blink/web_tests/external/wpt/permissions-policy/experimental-features/resources/vertical-scroll-touch-action.html 

<!DOCTYPE html>
<style>
  body, html {
    height: 100%;
    width: 100%;
    overflow: hidden;
  }
  body {
    touch-action: none;
  }
</style>
<body>
  <p>This page blocks all 'touch-action'.</p>
</body>