In the industrial zone the security system went off, all entrances and exits were blocked, conserving something inside. Go ahead or use a tactical advantage - it's your choice. The game will be interesting for fans of shooters in the spirit of Half-Life.
If you experience low frame rates, change the graphics settings in the game menu (ESC) WASD - walk SHIFT - run Left Mouse Button - fire Right Mouse Button - aim/slowmotion E - interact F - flashlight