locomotion of an earthworm

The EGR system routes a few of the exhaust gases (6 ? 10%) through the EGR valve, back in towards the Intake System, and ultimately within the combustion chamber. The exhaust gases are inert i.e. they do not burn in the combustion chamber; also, the exhaust gases undertake a few of the space which may preferably be taken with the intake air. This reduces the quantity of intake air available for the combustion process during each Power Stroke; which decreases the peak combustion temperatures. This results in lower NOx emissions. What we see in the man or woman who has narcissistic traits or even a diagnosed personality disorder is arrogance and preoccupation with themselves and their needs. The desire to be seen as essential, powerful and superior to others is a that requires quenching each and every turn. They search for people who use them a pedestal and revere their presence and intelligence. When those self same people will no longer view them like this, they dispose of them and proceed to the next individual. In order to receive the praise from individuals who they crave and desire, these are manipulative and will often tell lies in what they've got accomplished, who they may be and what you will or might be capable of achieving. For those people that the narcissist sees as being "lower" or "less valuable" than these are, the narcissist will treat these with disdain. The need to control individuals who are around them is very important for the narcissist.