A typical automotive exhaust resonator is made of a hollow steel cylindrical tube and is attached to the muffler of an exhaust system. This type of resonator is designed similar to that of an acoustic resonator, which creates an âexhaust noteâ that gives the exhaust noise a less annoying and more pleasant tone.The sound can be enhanced by means of adjusting the exhaust note. typical automotive exhaust resonator is made of a hollow steel cylindrical tube and is attached to the muffler of an exhaust system. This type of resonator is designed similar to that of an acoustic resonator, which creates an âexhaust noteâ that gives the exhaust noise a less annoying and more pleasant tone.
buttonhole (plural buttonholes) 1  A hole through which a button is pushed to secure a garment or some part of one. ( 2 chiefly Britain) a flower worn in a buttonhole for decoration.
Top 10 unbelievable historical concurrencies. A pothole, or chuckhole, is a defect in a roadway caused by environmental factors such as ice, heat, and rain. Natural forces eat away at the roadway, creating a series of cracks. pothole is the natural result of environmental conditions, especially in northern areas where the roadway freezes. When the road freezes, it expands, which will cause cracks. Extreme heat can also degrade the quality of the roadway.