{"version":"1.0","provider_name":"RSP","provider_url":"https:\/\/www.rsp.com\/en\/","title":"Track construction","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"fGvUUHCjjv\"><a href=\"https:\/\/www.rsp.com\/en\/areas-of-application\/track-construction\/\">Track construction<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.rsp.com\/en\/areas-of-application\/track-construction\/embed\/#?secret=fGvUUHCjjv\" width=\"600\" height=\"338\" title=\"&#8220;Track construction&#8221; &#8212; RSP\" data-secret=\"fGvUUHCjjv\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/www.rsp.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"GLrackbed renovation &amp; track cleaning The ballast bed on track systems requires maintenance because rainwater must always be able to drain properly into the substructure. The ballast needs its edges and the spaces between them in order to fulfill its function properly. At some point, the old dull ballast must be replaced with new sharp-edged [&hellip;]","thumbnail_url":"https:\/\/www.rsp.com\/wp-content\/uploads\/2025\/04\/qi8a3284.jpg","thumbnail_width":2400,"thumbnail_height":1600}