1.0Citi 97.3 FM - Relevant Radio. Alwayshttps://citifmonline.comKojo Akoto Boatenghttps://citifmonline.com/author/kojo/rich600338<blockquote class="wp-embedded-content" data-secret="aJxF93NOHT"><a href="https://citifmonline.com/2017/06/the-danger-of-cement-grades-on-our-markets-article/">The danger of cement grades on our markets [Article]</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://citifmonline.com/2017/06/the-danger-of-cement-grades-on-our-markets-article/embed/#?secret=aJxF93NOHT" width="600" height="338" title="“The danger of cement grades on our markets [Article]” — Citi 97.3 FM - Relevant Radio. Always" data-secret="aJxF93NOHT" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,o=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=new RegExp("^https?:$","i"),l=0;l<n.length;l++)n[l].style.display="none";for(l=0;l<i.length;l++)if(r=i[l],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=d.createElement("a"),a=d.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,!o.test(a.protocol));else if(a.host===s.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> Generally, the commonest cement on our construction market being Portland cement is manufactured using two basic raw materials, calcareous and siliceous (generally argillaceous) material. These two materials are mixed together and heated to a high temperature within a revolving kiln. The heated mixture produced is called cement clinker which is then grinded into powder form. […]