Technical drawings - General principles of presentation - Part 50: Basic conventions for representing areas on cuts and sections
SS-EN ISO 128-3:2020
This part of ISO 128 specifies general principles for representing areas on cuts and sections on technical drawings (mechanical, electrical, architectural, civil-engineering etc.) following the orthographic projection methods specified in ISO 5456-2.
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  .