<https://secure.gravatar.com/avatar/43151e2a68fa740c6e8130cd56b32332?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://coltimer.ru/tendery/chto-takoe-tender-sajt-otzyvy/>