<https://thietbiytevienan.com/may-xong-mui-hong/may-xong-khi-dung-ne-c801#product>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://thietbiytevienan.com/may-xong-mui-hong/may-xong-khi-dung-ne-c801>