Technical drawings - General principles of presentation - Part 40: Basic conventions for cuts and sections
This part of ISO 128 specifies the general principles for presenting cuts and sections applicable to all kinds of technical drawings (mechanical, electrical, architectural, civil engineering, etc.) following the orthographic projection methods specified in ISO 5456-2. For areas on cuts and sections, representation is according to ISO 128-50.
Attention has also been given in this part of ISO 128 to the requirements of reproduction, including microcopying in accordance with ISO 6428.