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Next to contact breaker, spark plug is among the most weakest part of the ignition system. It is mounted within the combustion chamber from the engine, where working conditions are- severe. During peak combustion conditions the temperature inside the combustion chamber in the modern car engine may be around 2500 ºC and the pressure about 7 Mpa. Moreover a spark plug can also be exposed to thermal and load cycling fatigue on account of sudden changes in temperature and pressure-from the high temperature of burnt gas on the relatively low temperature with the air/fuel mixture and from the ruthless during the time of explosion from the air/fuel mixture to low pressure during induction. In addition, the spark plug needs to endure high voltage, mechanical vibration along with the corrosive atmosphere of combustion gages. A modern spark plug posseses an economical life of about 10,000-16,000 km. While it is understandable you need to consider your budget and select a cheap option, do not forget that you receive whatever you buy. An amateur photographer might get the job done at a significantly lesser charge than what a specialist asks though the not enough skill and experience will probably be visible inside their work. If you want nothing but best results, only an expert event photographer needs to be hired. Here are some benefits of getting professionals to cover your event: