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- Everything starts from the sun to Earth. Sun's surface water evaporated and the cloud. Winds brought clouds to move on. Pregnant clouds on its way and if close to the ground creates lightning. Maybe lightning was one of the first meteorological phenomenon that has attracted human attention. Thunderbolt is a high-energy electrical discharge between clouds and the Earth's pregnant, be in addition to the fatalities, and injuries directly or indirectly disrupt power equipment and network equipment. This may be the emergence of "voltage" or "strong magnetic field" of equipment or animals to be huge effect and cause damages. Statistics annual damages caused by lightning, represents the destructive power of this phenomenon is normal.
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- Blinding light and loud and overwhelming! Usually these are the only indicators of lightning (thunder) know it. Residents have different names on the phenomenon are often taken from the same two characteristics of lightning (thunder) is Shirazi said "proud distinguishes", Tehran of "lightning" Afghans "Tana" and the Europeans "Thunder "their voice. The discharge of electrical charge between the cloud and ground lightning (lightning) say and electrical discharge between cloud lightning say. The reason of lightning protection installation is protecting systems and persons against lightning and also, creating a safe way for transferring the huge flow of lightning to the earth.
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