Knowledge center. An aneurysm occurs when part of a blood vessel (artery) or cardiac chamber swells, - either the blood vessel is damaged, or there is a weakness in the wall of the blood vessel. As blood pressure builds up it balloons out at its weakest point. Symptoms depend on the size of the aneurysm, how fast it is growing and its location. 2  A large cerebral aneurysm can lead to numbness in the face or problems with the eyes. 3  Cerebral aneurysms most commonly form at the base of the brain. 4  Around 1 in 4 aortic aneurysms occur in the thoracic area of the aorta.
Wind power is one of the most promising when it comes to renewable energy sources. The wind has incredible potential, but there are some drawbacks as well. Wind power turbines must be situated in areas where there are high averages of substantial amounts of wind.
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