The Industrial Safety Test app by developer Понасенков Виталий is an exam preparation tool designed to help workers prepare for industrial safety exams. The app covers all the categories mentioned in the РТН collection and allows users to test their knowledge on the following current categories: A. General Industrial Safety Requirements (A.1), B. Special Industrial Safety Requirements (B.1 to B.12), C. Energy Safety (C.1 to C.3), and D. Safety Requirements for Hydraulic Structures (D.1 to D.4).

The app boasts several key features, including exam mode, ticket mode, marathon mode, favorite questions mode, and error correction mode. Users can also view a list of questions by category, search for specific questions, make notes on any questions, and track their test statistics with the app's diagram feature. Additionally, the app does not require an internet connection and works seamlessly offline.

It's important to note that the Industrial Safety Test app is not a government service or affiliated with any government institution. The information provided in the app is for informational purposes only.