Many people with an anxiety disorder do not realize they have a defined, treatable disorder and so anxiety disorders are thought to be underdiagnosed conditions. (Take our anxiety disorder test) People with dyslexia are generally visual, multidimensional, right-brain learners. Because visual learners are successful seeing what they are learning, images must be employed to assist them to process information. It is also great for a visual learner as a way to start to see the person who is talking. When giving verbal information, encourage the visual learner to make a mental picture of what is being discussed. This picture amazingly captures the think layer of clouds on the valley nearby the south of Lake Como, northern Italy. In the above image, the dense cloud hides almost the valley and instead gives off some artificial lights that will make the town just like an opaque blanket. The village over distance is clearly seen from the blanket. Diesel engines are becoming the predominant power behind modern tractors simply because they have the highest thermal efficiency of the internal or external combustion engine, due to their higher than normal compression ratio. Unlike gasoline engines, the diesel engines in tractors use highly compressed hot air to ignite the fuel as opposed to spark plugs.