<br />
<b>Notice</b>:  Trying to get property of non-object in <b>/web/html/ntf/public_html/wp-content/themes/ntf/functions/functions-actions_filters.php</b> on line <b>90</b><br />
<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>OGRO</provider_name><provider_url>https://www.ntf.uni-lj.si/ogro</provider_url><title>Deep drilling I - OGRO</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content"&gt;&lt;a href="https://www.ntf.uni-lj.si/ogro/en/course/deep-drilling-i/"&gt;Deep drilling I&lt;/a&gt;&lt;/blockquote&gt;
&lt;script type='text/javascript'&gt;
&lt;!--//--&gt;&lt;![CDATA[//&gt;&lt;!--
		/*! This file is auto-generated */
		!function(d,l){"use strict";var e=!1,n=!1;if(l.querySelector)if(d.addEventListener)e=!0;if(d.wp=d.wp||{},!d.wp.receiveEmbedMessage)if(d.wp.receiveEmbedMessage=function(e){var t=e.data;if(t)if(t.secret||t.message||t.value)if(!/[^a-zA-Z0-9]/.test(t.secret)){for(var r,i,a,s=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),c=0;c&lt;n.length;c++)n[c].style.display="none";for(c=0;c&lt;s.length;c++)if(r=s[c],e.source===r.contentWindow){if(r.removeAttribute("style"),"height"===t.message){if(1e3&lt;(a=parseInt(t.value,10)))a=1e3;else if(~~a&lt;200)a=200;r.height=a}if("link"===t.message)if(i=l.createElement("a"),a=l.createElement("a"),i.href=r.getAttribute("src"),a.href=t.value,o.test(a.protocol))if(a.host===i.host)if(l.activeElement===r)d.top.location.href=t.value}}},e)d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),d.addEventListener("load",t,!1);function t(){if(!n){n=!0;for(var e,t,r=-1!==navigator.appVersion.indexOf("MSIE 10"),i=!!navigator.userAgent.match(/Trident.*rv:11\./),a=l.querySelectorAll("iframe.wp-embedded-content"),s=0;s&lt;a.length;s++){if(!(e=a[s]).getAttribute("data-secret"))t=Math.random().toString(36).substr(2,10),e.src+="#?secret="+t,e.setAttribute("data-secret",t);if(r||i)(t=e.cloneNode(!0)).removeAttribute("security"),e.parentNode.replaceChild(t,e)}}}}(window,document);
//--&gt;&lt;!]]&gt;
&lt;/script&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://www.ntf.uni-lj.si/ogro/en/course/deep-drilling-i/embed/" width="600" height="338" title="&#x201C;Deep drilling I&#x201D; &#x2014; OGRO" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;</html><description>Introduction; presentation of useful drilling technology in the industry. Drilling equipment and parts. Overview of equipment and using the equipment for making boreholes. Drilling technologies. Presentation of different drilling technologies, for example drilling for obtaining drinking water and for studying energy raw materials. Borehole maintenance. Boreholes as structures that must ensure long-term use.</description></oembed>
