Here you can find which modules you are allowed to have unlocked (green (you don't NEED them to be unlocked)) and which are not allowed to have unlocked (red).

ST vz. 39: https://drive.google.com/file/d/1fsEahyk4tgFgczlsf6SGlsnPa4HLxbYB/view?usp=sharing

Skoda T 24: https://drive.google.com/file/d/1itTrkGNChJjpBJSiiQ5kkazLynxNiTVn/view?usp=sharing

Skoda T25: https://drive.google.com/file/d/1HwyAOHjnmMOLEIPj0S985hUZUvRZxeri/view?usp=sharing

T34/100: https://drive.google.com/file/d/1iSJ4ScK10tJ7KXgL5pGLaShOq1yF4_rL/view?usp=sharing

TVP VTU: https://drive.google.com/file/d/1AB5kMmed6ONGU8iWZIXOhjNUOA4kdibo/view?usp=sharing

Skoda T 50: https://drive.google.com/file/d/1EqoqYQhWuexKxVIS94OaeGfAicciWjqK/view?usp=sharing