#note- it does not covers every thing you might expect. the info provided may not be accurate, images are subjected to copyright and doesn't belong to me. Any image in it has creative common license. It covers all Basic concepts of shockers and types with less images but enough to understand the concepts. by Sharishth Singh, linked in profile www.linkedin.com/in/sharishth-singh-23a311154 Time of creation and upload 6:50 AM, 30 march 2018 made through Microsoft Office.