ПОТЭУ-903н (ПОТЭЭ)

Labor protection rules for the operation of electrical installations
(as amended by the Order of the Ministry of Labor of Russia of 15.12.2020 N 903n)

Quick search in the table of contents and full search throughout the document.
Ability to add sections of the table of contents to favorites. Quick search for favorites.
Follow links within the document.
Adjust the font size of the text. The ability to scale the text of documents.
Adjust screen orientation.
Setting up the entrance to the application (to the table of contents or to the last read section of the document)