Normas ISO

Steel -- Determination of low carbon contents-- Part 4: Coulometric method after combustion

Acoustics -- Hearing protectors-- Part 3: Simplified method for the measurement of insertion loss of ear-muff type protectors for quality inspection purposes

Acoustics -- Hearing protectors-- Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs

Acoustics -- The construction and calibration of speech intelligibility tests

Textile floor coverings -- Determination of wear -- Castor chair test

Continuous mechanical handling equipment -- Safety code for belt conveyors -- Examples for guarding of nip points