Ships and marine technology. Oil tank hatches Ingestion-build-100580 BS 442 applies to the

BS 442 applies to the main terminals on electrical apparatus for railway signalling purposes

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Ships and marine technology. Oil tank hatches Ingestion-build-100580 BS 442 applies to the1 Scope This International Standard specifies the classification, structure and main dimensions, materials, quality of manufacture, testing of watertightness and designation for oil tank hatches for application on board ships in order to ensure interchangeability of the hatches. The remaining dimensions, welding, and other details are left to the manufacturer. These hatches generally conform to the requirements of the International Convention on Load