Hearing protectors. Safety requirements and testing - Ear-muffs attached to an industrial safety helmet Ingestion-build-177197 NICAM performance
$166.00
Description
NICAM performance
contain recommendations for welding and brazing
Tolerances and mass
fire and regulatory organizations
Hearing protectors. Safety requirements and testing - Ear-muffs attached to an industrial safety helmet Ingestion-build-177197 NICAM performanceThe particular requirement in relation to the ability of hearing protectors to reduce noise below daily limit levels is addressed in the standard by requiring the sound attenuation of the hearing protectors, measured in accordance with EN 24869 1, to be not less than a specified minimum. Further, by requiring that the measured sound attenuation be declared, the selection of suitable hearing protectors for individual circumstances may be undertaken
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