<https://secure.gravatar.com/avatar/7fd219cab813da911f9f2a5e52eb20e5?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://krostrade.es/electrodomesticos-2/como-instalar-aire-acondicionado-en-ventana-corrediza-horizontal-4-sencillos-pasos/>