<https://korean.lightsteelstructurebuilding.com/news/light-steel-structure-sanwich-panel-prefab-house-container-loading-59056.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://korean.lightsteelstructurebuilding.com/news/light-steel-structure-sanwich-panel-prefab-house-container-loading-59056.html>