{"version":"1.0","provider_name":"OneMonroe","provider_url":"https:\/\/monroeengineering.com\/blog","author_name":"admin","author_url":"https:\/\/monroeengineering.com\/blog\/author\/admin\/","title":"The Beginner's Guide to Poly Cushion Top Levelers | OneMonroe","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"0kCp60FT76\"><a href=\"https:\/\/monroeengineering.com\/blog\/the-beginners-guide-to-poly-cushion-top-levelers\/\">The Beginner&#8217;s Guide to Poly Cushion Top Levelers<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/monroeengineering.com\/blog\/the-beginners-guide-to-poly-cushion-top-levelers\/embed\/#?secret=0kCp60FT76\" width=\"600\" height=\"338\" title=\"&#8220;The Beginner&#8217;s Guide to Poly Cushion Top Levelers&#8221; &#8212; OneMonroe\" data-secret=\"0kCp60FT76\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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:\/\/monroeengineering.com\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/monroeengineering.com\/blog\/wp-content\/uploads\/2025\/10\/Poly-Cushion-Top-Leveler.jpg","thumbnail_width":257,"thumbnail_height":267,"description":"Machinery, equipment and furniture need to be level. If one side is higher than the opposite side, it may become unstable. Vibrations may cause the unlevel object to shake uncontrollably or even tip over, creating a serious safety hazard. Rather &hellip; Read More"}