1 Stress: Besides causing muscle tension, stress can cause chest pain. 2  Figure out what is causing you stress, and cut it out of your routine if possible. 3  Breasts: As your pregnancy progresses, your breasts will become larger. 4  This can cause shortness of breath or chest pain.
An exhaust system is usually piping used to guide reaction exhaust gases away from a controlled combustion inside an engine or stove. The entire system conveys burnt gases from the engine and includes one or more exhaust pipes. Depending on the overall system design, the exhaust gas may flow through one or more of:
5. to develop or discuss thoroughly so that no further interest remains: to exhaust a topic of conversation. 6. (General Physics) to remove gas from (a vessel, etc) in order to reduce the pressure or create a vacuum; evacuate. 7. (Chemistry) to remove or use up the active ingredients from (a drug, solution, etc)