1.0Walther-Präzisionhttps://www.walther-praezision.de/en/j.rauhhttps://www.walther-praezision.de/en/author/j-rauh/rich600338<blockquote class="wp-embedded-content" data-secret="jtrEehoshq"><a href="https://www.walther-praezision.de/en/sip-cip-mit-walther-schnellkupplungen/">SIP & CIP with WALTHER-Quick Couplings</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.walther-praezision.de/en/sip-cip-mit-walther-schnellkupplungen/embed/#?secret=jtrEehoshq" width="600" height="338" title="“SIP & CIP with WALTHER-Quick Couplings” — Walther-Präzision" data-secret="jtrEehoshq" 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.walther-praezision.de/wp-includes/js/wp-embed.min.js </script> Since the 1950s, the cleaning of closed systems has become increasingly important.In the beginning, the systems had to be manually disassembled and cleaned when changing products or if other cleaning was required.