What We Do in ACA Meetings. 1  We share what is happening in our lives, and how we are dealing with these issues in our recovery program. 2  We build a personal support network. 3  We practice our recovery and personal boundaries by giving service.
A muffler is an important component of an engine's exhaust system. The muffler is found near the back of a vehicle, and its purpose is to reduce the noise produced from the exhaust process.
They bounce off the back wall of the muffler and are reflected through a hole into the main body of the muffler. They pass through a set of holes into another chamber, where they turn and go out the last pipe and leave the muffler. A chamber called a resonator is connected to the first chamber by a hole.