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.
exhaust pipe-a pipe through which burned gases travel from the exhaust manifold to the muffler. exhaust valve-a valve through which burned gases from a cylinder escape into the exhaust manifold. muffler, silencer-a tubular acoustic device inserted in the exhaust system that is designed to reduce noise.