People who work with asbestos wear personal protective equipment to lower their risk of exposure.
人们谁与石棉磨损的个人防护设备，以降低他们的风险。
However, during transport, but also to his work caused a lot of wear and tear.
然而，在运输过程中造成的，而且他的工作是大量的磨损。
The work hardening is present on the surface of audio heads during the wear process.
磁头在磨损过程中表层有冷加工硬化现象。
The work hardening is present on the surface of audio heads during the wear process.
磁头在磨损过程中表层有冷加工硬化现象。
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