Parallel screw threads of Whitworth form. RequirementsThis British Standard specifies limits of sizes, and tolerances, for single start parallel screw threads of Whitworth form, for general engineering use. While Whitworth threads have remained unchanged since the last revision of BS 84 in 1956, the present revision of the Standard has been undertaken on the basis that Whitworth threads will undoubtedly continue to be used for many years, especially on replacements or spare parts. This standard specifies

unlike BS 5131-1

of animal and vegetable fats and oils

BS EN 1762 on rubber hoses and hose assemblies is useful for:

7 DATA LINK/PHYSICAL LAYERS: ISO 8802-3 ("Ethernet") LAN

The standard also looks at how to clean apparatus and draw up an accurate test report

BS EN 12165 on copper and copper alloys is relevant to:

Example of test documentation

PD 5500 does not exclude vessels subject to electrical heating or heated process streams

Water trough barriers are designed and arranged in such a way that explosions are prevented from spreading through dangerous chain reactions and incipient explosions do not become detonations

Image quality fields are also provided in the fingerprint data interchange formats standardized in ISO/IEC 19794-2

and construction management organizations

BS 1363-2 Two categories of conversion plugs are specified