Azbuka 4D is an app that uses augmented reality (AR) technology to show safety videos. The application allows users to scan special markers, after which a 3D model of safety equipment appears on the screen. Users can move around the model and view it from all sides, as well as access video instructions and other safety information. Azbuka 4D is an innovative and user-friendly tool for improving the effectiveness of training and the application of safety precautions.