<https://wetpixel.com/forums/index.php?/topic/56069-nauticam-na-em5-housing-with-flextray/#comment-363701>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://wetpixel.com/forums/index.php?/topic/56069-nauticam-na-em5-housing-with-flextray/&tab=comments#comment-363703>