The article pops up an advertisment that you have to view first. Bad form. Because the original article has very little text. I suggest that you simply watch

The article pops up an advertisment that you have to view first. Bad form. Because the original article has very little text. I suggest that you simply watch the videos on YouTube itself: http://www.youtube.com/watch?v=xHuDvVa7mkw&eurl=http%3A%2F%2Fwww%2Eindustrialcontroldesignline%2Ecom%2FshowArticle%2Ejhtml%3FarticleID%3D215801599%26cid%3DNL%5Ficdl&feature=player_embedded http://www.youtube.com/watch?v=xHuDvVa7mkw&eurl=http%3A%... http://www.youtube.com/watch?v=YoXCn4Gh_HA&eurl=http%3A%2F%2Fwww%2Eindustrialcontroldesignline%2Ecom%2FshowArticle%2Ejhtml%3FarticleID%3D215801599%26cid%3DNL%5Ficdl&feature=player_embedded http://www.youtube.com/watch?v=YoXCn4Gh_HA&eurl=http%3A%...