Test # 108

I want to buy ________ laptop computer next week.

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  • Precautions while using Earphones

    Should MP3 player use be limited

    Noise induced hearing loss can be caused by two types of noise. Sudden bursts, such as firearms and fireworks, can immediately cause hearing loss in children, who are often reluctant to report such exposures to their parents. The other type is continuous exposure to loud noise, which can damage the ears over time. Sources of continuous noise include motorized recreational vehicles, loud sporting events, power tools and amplified music.
    Although the maximum volume limit is adjustable on many current MP3 players you cannot be certain children will not disable this function. A survey sponsored by the Australian government found that about 25 percent of people using portable stereos had daily noise exposures high enough to cause long term hearing damage. Further research from the Netherlands reports that 90 percent of adolescents listened to music through earphones on MP3 players, almost half used high volume settings, and only 7 percent used a noise limiter.

    Chourishi Systems