ISO 128 - Composition of The ISO 128

Composition of The ISO 128

The 12 parts of the ISO 128 standard are:

  • ISO 128-1:2003. Technical drawings—General principles of presentation—Part 1: Introduction and index
  • ISO 128-20:1996 Technical drawings—General principles of presentation—Part 20: Basic conventions for lines
  • ISO 128-21:1997 Technical drawings—General principles of presentation—Part 21: Preparation of lines by CAD systems
  • ISO 128-22:1999 Technical drawings—General principles of presentation—Part 22: Basic conventions and applications for leader lines and reference lines
  • ISO 128-23:1999 Technical drawings—General principles of presentation—Part 23: Lines on construction drawings
  • ISO 128-24:1999 Technical drawings—General principles of presentation—Part 24: Lines on mechanical engineering drawings
  • ISO 128-25:1999 Technical drawings—General principles of presentation—Part 25: Lines on shipbuilding drawings
  • ISO 128-30:2001 Technical drawings—General principles of presentation—Part 30: Basic conventions for views
  • ISO 128-34:2001 Technical drawings—General principles of presentation—Part 34: Views on mechanical engineering drawings
  • ISO 128-40:2001 Technical drawings—General principles of presentation—Part 40: Basic conventions for cuts and sections
  • ISO 128-44:2001 Technical drawings—General principles of presentation—Part 44: Sections on mechanical engineering drawings
  • ISO 128-50:2001 Technical drawings—General principles of presentation—Part 50: Basic conventions for representing areas on cuts and sections
  • ISO/TS 128-71:2010 Technical product documentation—General principles of presentation—Part 71: Simplified representation for mechanical engineering drawings

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    Give a scientist a problem and he will probably provide a solution; historians and sociologists, by contrast, can offer only opinions. Ask a dozen chemists the composition of an organic compound such as methane, and within a short time all twelve will have come up with the same solution of CH4. Ask, however, a dozen economists or sociologists to provide policies to reduce unemployment or the level of crime and twelve widely differing opinions are likely to be offered.
    Derek Gjertsen, British scientist, author. Science and Philosophy: Past and Present, ch. 3, Penguin (1989)