<https://vsaduidoma.com/2016/02/17/obrezka-plodovyh-derevev-zachem-kogda-i-kak/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://vsaduidoma.com/2016/02/17/obrezka-plodovyh-derevev-zachem-kogda-i-kak/>