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5. The power of their language 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. When HTML 4 was introduced, it brought different form of great changes in terms of design and development as many of developers were allowed to use different fonts while designing and creating text. HTML 5 brings the promise of an excellent tomorrow with advanced features like mobile based design, audio and video tagging along with drag and Drop functions. In fact, a newly released IT expert has proved that approximate 50% of internet users has using HTML 5 compatible browsers.