`, feed: ``, newStyle: ``, Text_and_Display_ads: ``, Display_ad_preview_Square: ``, Display_ad_preview_Horizontal: ``, Display_ad_preview_Vertical: ``, In_feed_Ad_Text_only: ``, In_feed_Ad_Image_on_the_side: ``, In_feed_Ad_Title_above: ``, In_feed_Ad_by_google_recommended: ``, In_Feed_Ad_Image_Above: ``, In_article_Ad: ``, } jQuery(".hANwub").after(` ${separator} ${auto} ${feed} ${Text_and_Display_ads} ${newStyle} ${Display_ad_preview_Square} ${Display_ad_preview_Horizontal} ${Display_ad_preview_Vertical} ${In_feed_Ad_Text_only} ${In_feed_Ad_Image_on_the_side} ${In_feed_Ad_Title_above} ${In_feed_Ad_by_google_recommended} ${In_Feed_Ad_Image_Above} ${In_article_Ad} `) // function addAd(){ // $('.CodeMirror-line').html($('.CodeMirror-line').html() + 'ABCD') // } jQuery(".adbtn").click(function(e) { copyToClipboard(adCodes[e.currentTarget.id]) // $('#myTA').val(adCodes[e.currentTarget.id]) }) // var userSelection = document.getElementsByClassName('.adbtn'); // for (var i = 0; i < userSelection.length; i++) { // (function(index) { // userSelection[index].addEventListener("click", function() { // console.log(this); // addAd(this) // }) // })(i); // } // jQuery(".rQS16b").before(`
Ads
`) jQuery("#myTA").click(function() { this.focus(); this.select() }); var ta = document.getElementById('myTA'); // ta.addEventListener('copy', onCopyEvent); // ta.addEventListener('cut', onCopyEvent); ta.value = ''; clipboardDiv = document.createElement('div'); clipboardDiv.style.fontSize = '12pt'; // Prevent zooming on iOS // Reset box model clipboardDiv.style.border = '0'; clipboardDiv.style.padding = '0'; clipboardDiv.style.margin = '0'; // Move element out of screen clipboardDiv.style.position = 'fixed'; clipboardDiv.style['right'] = '-9999px'; clipboardDiv.style.top = (window.pageYOffset || document.documentElement.scrollTop) + 'px'; // more hiding clipboardDiv.setAttribute('readonly', ''); clipboardDiv.style.opacity = 0; clipboardDiv.style.pointerEvents = 'none'; clipboardDiv.style.zIndex = -1; clipboardDiv.setAttribute('tabindex', '0'); // so it can be focused clipboardDiv.innerHTML = ''; document.body.appendChild(clipboardDiv); function onCopyEvent(e) { e.preventDefault(); copyToClipboard(getTextAreaSelection(e.target)); // copy text // copyToClipboard(getTextAreaSelection(e.target)) // copyHtmlToClipboard(getTextAreaSelection(e.target)); // html } // function copyHtmlToClipboard(html) { // clipboardDiv.innerHTML = html; // var focused = document.activeElement; // clipboardDiv.focus(); // // window.getSelection().removeAllRanges(); // // var range = document.createRange(); // // range.setStartBefore(clipboardDiv.firstChild); // // range.setEndAfter(clipboardDiv.lastChild); // // window.getSelection().addRange(range); // var ok = false; // try { // if (document.execCommand('copy')) ok = true; // else utils.log('execCommand returned false !'); // } catch (err) { // utils.log('execCommand failed ! exception ' + err); // } // focused.focus(); // } function getTextAreaSelection(elem) { var selectedText; if (document.selection != undefined) // IE version { elem.focus(); var sel = document.selection.createRange(); selectedText = sel.text; } else if (elem.selectionStart != undefined) // Mozilla version { var startPos = elem.selectionStart; var endPos = elem.selectionEnd; selectedText = elem.value.substring(startPos, endPos) } return selectedText; } function copyToClipboard(text) { if (window.clipboardData && window.clipboardData.setData) { // Internet Explorer-specific code path to prevent textarea being shown while dialog is visible. return window.clipboardData.setData("Text", text); } else if (document.queryCommandSupported && document.queryCommandSupported("copy")) { var textarea = document.createElement("textarea"); textarea.textContent = text; textarea.style.position = "fixed"; // Prevent scrolling to bottom of page in Microsoft Edge. document.body.appendChild(textarea); textarea.select(); try { return document.execCommand("copy"); // Security exception may be thrown by some browsers. } catch (ex) { console.warn("Copy to clipboard failed.", ex); return false; } finally { document.body.removeChild(textarea); } } }


Why Do Concrete Blocks Have Holes In Them?

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Why Do We Provide Holes In Concrete Block?

The openings are called “cells” and one reason they are there is because they make the blocks lighter and easier for a mason to handle. But the primary purpose of the cells is that they align from top to bottom of the wall when laid, and enable a builder to fill some cells with grout/concrete to strengthen the wall. It is often done at the sides of larger window and door openings, and vertical steel reinforcing bars are added.

For more information watch this video




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Engineering Discoveries: Why Do Concrete Blocks Have Holes In Them?
Why Do Concrete Blocks Have Holes In Them?
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Engineering Discoveries
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