1.0JH - ITC GmbHhttps://www.jh-itc.de/en/jh#rich600338<blockquote class="wp-embedded-content" data-secret="99vQhIIdor"><a href="https://www.jh-itc.de/en/used-props-from-the-experts/">Used props from the experts</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.jh-itc.de/en/used-props-from-the-experts/embed/#?secret=99vQhIIdor" width="600" height="338" title="“Used props from the experts” — JH - ITC GmbH" data-secret="99vQhIIdor" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! 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.jh-itc.de/wp-includes/js/wp-embed.min.js </script> Used props from the experts   Sprues or steel pipe supports, whatever they are called, are indispensable tools in the construction of concrete floors and other structures made of concrete. But also on many other occasions on a building site or during the renovation of an old building you cannot do without building supports. Formwork […]