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reinforced concrete
Test stress
It does not apply to pressure gauges with electrical contacts
special examination is required to ascertain whether the customary workshop accuracy lies within the general geometrical tolerances specifications
Liquid container
Hearing protectors. Safety requirements and testing - Ear-muffs Ingestion-build-181247 reinforced concreteThe 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