<http://schema.org/category>
"\u041E\u0431\u043E\u0433\u0440\u0435\u0432\u0430\u0442\u0435\u043B\u0438"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ultra.by/konvektor-ballu-platinum-bec-eve-1000.html>