Once again, we need your help in proofreading.
I give you the same instruction, as before.
In the document you will see 5 columns.
The 1st one is the English text, the 2nd one is the keywords, the 3d one is the Polish translation, the 4th one is your translation (if you see that the sentence is wrong), the 5th one is your explanation,...
Skills: editing, english, english-polish translation, polish, proofreading