1.0تدبیر فرآیند غرب رستاکhttps://rastaktadbir.com/en/tahoorahttps://rastaktadbir.com/en/author/tahoora/rich600338<blockquote class="wp-embedded-content" data-secret="R3S76cOP3C"><a href="https://rastaktadbir.com/en/girder/">Girder</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://rastaktadbir.com/en/girder/embed/#?secret=R3S76cOP3C" width="600" height="338" title="“Girder” — تدبیر فرآیند غرب رستاک" data-secret="R3S76cOP3C" 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://rastaktadbir.com/wp-includes/js/wp-embed.min.js </script> https://rastaktadbir.com/wp-content/uploads/2022/01/تیرآهن.jpg500400Girder Beam is a widely used profile, whose main function is to bear the stresses resulting from shearing and bending forces. This steel product, which is widely used in construction, industrial and civil projects, is placed in different groups. CPE HEA IPE HEB