1.0Logiciel BIS Sécurité Canadahttps://bissafety.ca/frCrystalline Silica for Construction Employeesrich600338<blockquote class="wp-embedded-content" data-secret="j6k7Fk3O3u"><a href="https://bissafety.ca/fr/courses/crystalline-silica-for-construction-employees/">Crystalline Silica for Construction Employees</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://bissafety.ca/fr/courses/crystalline-silica-for-construction-employees/embed/#?secret=j6k7Fk3O3u" width="600" height="338" title="« Crystalline Silica for Construction Employees » — BIS Safety Software Canada" data-secret="j6k7Fk3O3u" 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://bissafety.ca/wp-includes/js/wp-embed.min.js
</script>https://bissafety.ca/wp-content/uploads/2025/03/58840EB65DA053FBDEA5F4D19DD3E00F.jpg1920320The Occupational Safety and Health Administration (OSHA) indicates around two million construction laborers are exposed to crystalline silica. This ubiquitous mineral can cause serious health problems if its dust is not properly managed.