Scales protect the fish from its environment. They overlap like shingles on a roof so that the skin of the fish is not exposed. As a fish grows, their scales produce rings much like a tree-and that is one way scientists can tell how old a fish is.Most fish get extra protection from a layer of slime that covers their scales. This slime helps them move through the water better, and keeps pests off of the fish skin.s a fish grows, their scales produce rings much like a tree-and that is one way scientists can tell how old a fish is. Most fish get extra protection from a layer of slime that covers their scales. This slime helps them move through the water better, and keeps pests off of the fish skin.
Inside a Muffler. Located inside the muffler is a set of tubes. These tubes are designed to create reflected waves that interfere with each other or cancel each other out. Take a look at the inside of this muffler: The exhaust gases and the sound waves enter through the center tube.
Central Texas. Nope, a real resonator is a glass pack or small muffler looking thing, designed to mellow out the tone of your exhaust. Used in conjunction with your catalytic converter (emissions) and your muffler (self explainatory), the resonator attempts to break up the sound of each combustion into more of a hum.If you put your lips together and blow, out comes THBBBBBBT!.. Do the same thing to a horn, and you get a pleasant, solid tone instead.sed in conjunction with your catalytic converter (emissions) and your muffler (self explainatory), the resonator attempts to break up the sound of each combustion into more of a hum. If you put your lips together and blow, out comes THBBBBBBT!..