<https://blog.item24.com/en/lean-production/lean-production-methods-at-a-glance/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ImageObject>
<https://blog.item24.com/en/lean-production/lean-production-methods-at-a-glance/>