<https://secure.gravatar.com/avatar/953a3e0f26858330e0d4671cc4b4d41b?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://khsomat.com/product/%D8%B3%D9%85%D8%A7%D8%B9%D9%87-dsp108/>