y upgraded 2 or 3 times.In conclusion many new companies all over the world are putting their main production into researching and producing advanced composites mixtures because these new composites are beginning to revolutionize the performance and life-span of many new naval and militaristic vessels. Further more composites are beginning to show up in more than just naval ships many of the latest cars, bicycles, surfboards and many other products are beginning to be made with composites.SOUND DEPERVATION IN ADVANCED COMPOSITE STRUCTURES...
