SPL Warning:
Exposure to extremely high noise levels
may
cause permanent hearing loss. Individuals
vary
considerably in susceptibility to noise-
induced hearing loss but nearly everyone will
lose some hearing if exposed to sufficiently
intense noise
for a period of time. The U.S.
Government’s
Occupational Safety and Health
Administration
(OSHA) has specified the
permissible noise level exposures shown in
the following chart. According
to OSHA, any
exposure in excess of these permissible
暴露在极强的噪声下，可能会导致永
久性的听力损伤风险。对于噪声引起
的听力损伤，个人的敏感度有很大差
异，但如果在一段时间内暴露在足够
强烈的噪声下，几乎每个人都会失去
一些听力。美国政府的职业安全与健
康管理局（OSHA）已经规定了允许
暴露的噪声水平如下图所示的。
limits could result in some hearing loss. To
ensure against potentially dangerous
exposure to high
sound-pressure levels, it is
recommended that all
persons exposed to
equipment capable of producing high sound-
pressure levels use hearing protectors while
the equipment is in operation. Earplugs or
protectors in the ear canals or over the ears
must be worn when operating the
equipment in order to prevent permanent
hearing loss if exposure is in
excess of the
limits set forth here:
根据OSHA的规定，任何超过这些允许限度的
暴露都可能导致一些听力损失。为避免接触
高声压级的潜在危险，建议能够接触到的所
有产生高声压级设备的人员，请使用听力保
护器在设备运行时。在操作设备时，必须在
耳道内或耳朵上佩戴耳塞或保护器，以防止
暴露于超过此处规定的限度，而导致出现永
久性听力损伤。
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