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Occlusion is any unwanted object that hinders the view of the objects or scenes behind them. Many times the viewer cannot comprehend what is present in the background due to the continuous presence of the occlusion. In a similar setting of classroom /boardroom occlusion of the blackboard/whiteboard contents because of the presence of certain objects like teachers and other students walking in front...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.