{"version":"1.0","provider_name":"OPA S.A.","provider_url":"https:\/\/opa.pl\/en\/","title":"Measurements of cathodic protection effectiveness - OPA S.A.","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"E3R90fOztw\"><a href=\"https:\/\/opa.pl\/en\/tests-and-measurements\/measurements-of-cathodic-protection-effectiveness\/\">Measurements of cathodic protection effectiveness<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/opa.pl\/en\/tests-and-measurements\/measurements-of-cathodic-protection-effectiveness\/embed\/#?secret=E3R90fOztw\" width=\"600\" height=\"338\" title=\"&#8220;Measurements of cathodic protection effectiveness&#8221; &#8212; OPA S.A.\" data-secret=\"E3R90fOztw\" 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:\/\/opa.pl\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Cathodic protection is an electrochemical method of protecting metals from corrosion. Measuring the effectiveness of cathodic protection plays an important role in preventing failures of underground structures such as tanks and pipelines and improving their operational safety."}