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The EGR system routes many of the exhaust gases (6 ? 10%) through the EGR valve, last on the Intake System, and in the end in the combustion chamber. The exhaust gases are inert i.e. they don't burn within the combustion chamber; also, the exhaust gases use up a number of the space which could preferably be taken with the intake air. This decreases the volume of intake air available for the combustion process during each Power Stroke; which experts claim decreases the peak combustion temperatures. This leads to lower NOx emissions. Many artists have used food since the main materials in their outstanding works that are all very creative and "delicious." The use of food to produce artworks have experienced a lengthy history. This art necessitates the artist to make use of food as main materials within the creative process and making their artworks. For the time being, the talent has inspired more and more people.