This part of ISO 128 gives general rules for the execution of technical drawings (2D and 3D), as well as presenting the structure of the other parts of ISO 128. In all, ISO 128 specifies the graphical representation of objects on technical drawings with the aim of facilitating the international exchange of information on drawings and ensuring their uniformity in a comprehensive system . This part of ISO 128 is applicable to mechanical engineering, construction, architectural and ship building technical drawings. It is applicable to both manual and computer-based technical drawings. For the purpose of this International Standard the term “technical drawing” shall be interpreted in the broadest possible sense encompassing the total package of documentation specifying the product (workpiece, subassembly, assembly).