1.0planet forward//www.getitdoneaz.comdavid raish//www.getitdoneaz.com/author/david-raish/security and safety concerns for chemical plants - planet forward - 克罗地亚vs加拿大让球 rich600338<blockquote class="wp-embedded-content" data-secret="47wabvgirh"><a href="//www.getitdoneaz.com/story/security-and-safety-concerns-for-chemical-plants/">security and safety concerns for chemical plants</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="//www.getitdoneaz.com/story/security-and-safety-concerns-for-chemical-plants/embed/#?secret=47wabvgirh" width="600" height="338" title="“security and safety concerns for chemical plants” — planet forward" data-secret="47wabvgirh" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![cdata[ */ /** * wordpress inline html embed * * @since 4.4.0 * @output wp-includes/js/wp-embed.js * * single line comments should not be used since they will break * the script when inlined in get_post_embed_html(), specifically * when the comments are not stripped out due to script_debug * being turned on. */ (function ( window, document ) { 'use strict'; /* abort for ancient browsers. */ if ( ! document.queryselector || ! window.addeventlistener || typeof url === 'undefined' ) { return; } /** @namespace wp */ window.wp = window.wp || {}; /* abort if script was already executed. */ if ( !! window.wp.receiveembedmessage ) { return; } /** * receive embed message. * * @param {messageevent} e */ window.wp.receiveembedmessage = function( e ) { var data = e.data; /* verify shape of message. */ if ( ! ( data || data.secret || data.message || data.value ) || /[^a-za-z0-9]/.test( data.secret ) ) { return; } var iframes = document.queryselectorall( 'iframe[data-secret="' + data.secret + '"]' ), blockquotes = document.queryselectorall( 'blockquote[data-secret="' + data.secret + '"]' ), allowedprotocols = new regexp( '^https?:$', 'i' ), i, source, height, sourceurl, targeturl; for ( i = 0; i < blockquotes.length; i++ ) { blockquotes[ i ].style.display = 'none'; } for ( i = 0; i < iframes.length; i++ ) { source = iframes[ i ]; if ( e.source !== source.contentwindow ) { continue; } source.removeattribute( 'style' ); if ( 'height' === data.message ) { /* resize the iframe on request. */ height = parseint( data.value, 10 ); if ( height > 1000 ) { height = 1000; } else if ( ~~height < 200 ) { height = 200; } source.height = height; } else if ( 'link' === data.message ) { /* link to a specific url on request. */ sourceurl = new url( source.getattribute( 'src' ) ); targeturl = new url( data.value ); if ( allowedprotocols.test( targeturl.protocol ) && targeturl.host === sourceurl.host && document.activeelement === source ) { window.top.location.href = data.value; } } } }; function onload() { var iframes = document.queryselectorall( 'iframe.wp-embedded-content' ), i, source, secret; for ( i = 0; i < iframes.length; i++ ) { /** @var {iframeelement} */ source = iframes[ i ]; secret = source.getattribute( 'data-secret' ); if ( ! secret ) { /* add secret to iframe */ secret = math.random().tostring( 36 ).substring( 2, 12 ); source.src += '#?secret=' + secret; source.setattribute( 'data-secret', secret ); } /* * let post embed window know that the parent is ready for receiving the height message, in case the iframe * loaded before wp-embed.js was loaded. when the ready message is received by the post embed window, the * window will then (re-)send the height message right away. */ source.contentwindow.postmessage( { message: 'ready', secret: secret }, '*' ); } } window.addeventlistener( 'message', window.wp.receiveembedmessage, false ); document.addeventlistener( 'domcontentloaded', onload, false ); })( window, document ); /* ]]> */ </script> the potential disastrous effects of a chemical plant accident are well known. how much should we be worried about potential security and safety risks for our chemical plants? an april 6th article from the seattle pi highlights these issues. a recent and tragic accident at a refinery in anacortes, washington makes these concerns all too...http://farm1.static.flickr.com/187/452041995_7edca30bcd.jpg