1.0Derc Adviesgroephttps://dercadviesgroep.nl/en/DercBeheerhttps://dercadviesgroep.nl/en/author/dercbeheer/rich600338<blockquote class="wp-embedded-content" data-secret="obcEQQ89z9"><a href="https://dercadviesgroep.nl/en/courses/verlengcursus-chemisch-technisch/">Chemical Technical Cleaning Certificate Renewal</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://dercadviesgroep.nl/en/courses/verlengcursus-chemisch-technisch/embed/#?secret=obcEQQ89z9" width="600" height="338" title="“Chemical Technical Cleaning Certificate Renewal” — Derc Adviesgroep" data-secret="obcEQQ89z9" 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://dercadviesgroep.nl/wp-includes/js/wp-embed.min.js /* ]]> */ </script> The course consists of theoretical information. The course has been developed to refresh the knowledge already acquired in the basic training regarding updated regulations and legislation. The material is explained in an understandable way, based on recognisable, real-life examples. We continuously adjust the content to new requirements and changes in the industry. For this course... View Article