I forgot to add file to the post, but it is already added to the post above
Translation is ready much faster. It's partially based on translation of SzawelPL but I corrected all mistakes. There are some bugs with code, but i will fix them.
I am translating IndustrialCraft into polish on experimental 1.10. Full translation will be in 1-2 weeks, but if you offer some help, it will be faster. Wish me good luck!