<https://www.cyclingweekly.com/products/understanding-the-e-bike-and-how-to-get-the-most-from-it>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.cyclingweekly.com/products/understanding-the-e-bike-and-how-to-get-the-most-from-it>