Technical drawings. General principles of presentation - Sections on mechanical engineering drawings Ingestion-build-48348 a part of the BS

a part of the BS 1722 series

as the single clause is applicable to any of the above frequency ranges

— maintenance documentation describing the internal operation of systems software

— pre-cooling device

Technical drawings. General principles of presentation - Sections on mechanical engineering drawings Ingestion-build-48348 a part of the BS1 Scope This part of ISO 128 specifies general principles for presenting sections on mechanical engineering drawings following the orthographic projection methods specified in ISO 5456 2. For areas on sections, representation is according to ISO 128 50[1]. Attention has also been given to the requirements of reproduction, including microcopying in accordance with ISO 6428. NOTE The basic rules for cuts and sections are given in ISO 128 40[2].