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A systematic-review conducted by the American Academy of Audiology Task Force On the Health-Related Quality of Life Benefits of Amplification in Adults found the use of hearing aids to increase quality of life. The review pertained to adults who experienced sensorineural hearing loss, which can be caused by excessive, loud noise. [140]
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Pilkington aggressively protected its patents and trade secrets through a network of licensing agreements with glass manufacturers around the world. The modern "float" technique (pouring the molten glass on a layer of very pure molten tin) became commercially widespread when Alastair Pilkington developed a practical version, patented in the late 1950s and early 1960s.
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Acoustic joint tapes and caulking have been used to improve sound isolation since the early 1930s. [28] Although the applications of tapes was largely limited to defense and industrial applications such as naval vessels and aircraft in the past, recent research has proven the effectiveness of sealing gaps and thereby improving the sound ...
These effects then may alter more interactions within a community through indirect ("domino") effects. [69] Acoustic overexposure can lead to temporary or permanent loss of hearing. Noise pollution may have caused the death of certain species of whales that beached themselves after being exposed to the loud sound of military sonar.