1.0Boart Longyearhttps://www.boartlongyear.com/de/Marketinghttps://www.boartlongyear.com/de/insite/author/jamesburris/World Coal | Know the Drill - Boart Longyearrich600338<blockquote class="wp-embedded-content" data-secret="r2f7CPZeUu"><a href="https://www.boartlongyear.com/de/news/world-coal-know-the-drill/">Weltkohle | Kennen Sie den Bohrer</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.boartlongyear.com/de/news/world-coal-know-the-drill/embed/#?secret=r2f7CPZeUu" width="600" height="338" title="„Weltkohle | Kennen Sie die Übung“ – Boart Longyear" data-secret="r2f7CPZeUu" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
/* <![CDATA[ */
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document);
//# sourceURL=https://www.boartlongyear.com/wp-includes/js/wp-embed.min.js
/* ]]> */
</script>https://www.boartlongyear.com/wp-content/uploads/world-coal.jpg568793June 2016—Chris Lambert, Boart Longyear, USA, explains how to increase the productivity of diamond drilling in coal mining. Coal exploration often presents significant drilling challenges due to the variety of ground conditions encountered. Read Article ›