for 3 or 4 crafts you may need to recruit one or two specialists like Jayma or Wogah.
after buying skills visual will remain locked until you recruit the corresponding specialist.
How to use this cheat table?
Install Cheat Engine
Double-click the .CT file in order to open it.
Click the PC icon in Cheat Engine in order to select the game process.
Keep the list.
Activate the trainer options by checking boxes or setting values from 0 to 1