1.0Pietruchahttps://pietrucha.pl/en/cs.adminhttps://pietrucha.pl/en/author/cs-admin/rich600338<blockquote class="wp-embedded-content" data-secret="MtyunkK2AI"><a href="https://pietrucha.pl/en/about/history/">History</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://pietrucha.pl/en/about/history/embed/#?secret=MtyunkK2AI" width="600" height="338" title="“History” — Pietrucha" data-secret="MtyunkK2AI" 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://pietrucha.pl/wp-includes/js/wp-embed.min.js </script> 65 years of history There are few companies in Poland that, like the Pietrucha Group, have been involved in the development of the Polish economy for sixty five years and can boast such a colorful history and rich experience. From a small tannery serving the needs of the local community, we have transformed into an […]