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The EGR system routes a number of the exhaust gases (6 ? 10%) from the EGR valve, last on the Intake System, and ultimately within the combustion chamber. The exhaust gases are inert i.e. they cannot burn in the combustion chamber; also, the exhaust gases take up a number of the space which would preferably be taken with the intake air. This reduces the volume of intake air readily available for the combustion process during each Power Stroke; which in turn decreases the peak combustion temperatures. This brings about lower NOx emissions. Queen Latifah is well-known all over the world being a prestigious rapper, entrepreneur, tireless producer and spokesperson. She began to mark the milestone in her career by releasing breakout album called “All Hail the Queen” in 1989 and today becomes among entertainment\'s top renaissance women. Besides climbing the ladder to fame and fortune with a Golden Globe Award, a Grammy Award, two Image Awards and three Screen Actors Guild Awards, the talented singer is termed “big, black and beautiful” woman because she always is able to hide her obesity in fashionable and fit clothes and to feel self-confident whenever appearing at crowds. Now, let\'s see her image in different outfits and acquire more info about the celebrity.