Photography. Industrial radiographic films. Determination of ISO speed, ISO average gradient and ISO gradients G2 and G4 when exposed to X- and gamma-radiation1 Scope This International Standard specifies methods for determining sensitometric curve shape, ISO speed, ISO average gradient and ISO gradientsG2 and G4 for industrial radiographic systems consisting of film and film processing when exposed directly to X rays and rays. The measurement of characteristics of film systems used in industrial radiography with fluorescent intensifying screens is not specified in this International Standard. NOTE Units of

BS 3041-12 defines the UHF connector that was invented in the 1930s for use in the radio industry and is a shielded form of the "banana plug"

ISO 9994 gives safety specifications Lighters

This standard deals only with low temperature systems

What is BS EN 12166 about

This standard specifies the properties to be provided by the equipment supplier

Governing bodies

as well as the types of lighting systems that should be considered for specific locations

BS 787-3 is a British Standard which covers flameproof gate-end boxes designed primarily for use in the mining industry

including public authorities

The new code of practice is intended for use by anyone responsible for implementing

French and German

It shall also be possible to mark these cables by hot stamp printing or ink jet printing