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BS EN ISO 1461 specifies the general properties of coatings and test methods for coatings applied by dipping fabricated iron and steel articles (including certain castings) in a zinc melt (containing not more than 2 % of other metals)
Testing on compliance criteria
Diagrams of the continuous application of torque
There may be occasions when cables are required to have higher operating temperature ratings than those provided by using materials specified by the EN 50290 series
thermoplastics linings
Fire detection and fire alarm systems - Components of voice alarm systems. Loudspeakers Ingestion-build-201039 BS EN ISO 1461 specifiesBS EN 54 24 specifies requirements, test methods and performance criteria for loudspeakers intended to broadcast a warning of fire between a fire detection and fire alarm system and the occupants of a building. The primary reason for using a voice alarm system instead of the coded warnings given by sounders is to reduce the time taken for those at risk to recognize that an emergency exists, and to give clear instructions on what to do next. This means
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