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DD CLC/TS 50131-7:2008 Alarm systems
unstable explosives and cryogenic liquids have not been considered since protection against these additional hazards is beyond the scope of this standard
The test is applicable to both undisturbed and remoulded soil test specimen
This International Standard describes the stress optical method for determining the birefringence in glass
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Guide to levels of competence required in laser safety Ingestion-build-58320 DD CLC/TS 50131-7:2008 Alarm systems1 Scope and object 1. 1 Scope This Guide has been prepared in order to provide information and guidance to employers and employees in organisations in which lasers are used. It is supplementary to the safety requirements specified in the EN 60825 series of standards on laser safety. The Guide outlines procedures for the management of laser hazards and defines levels of competence for those who work with laser equipment or who have responsibility for