artylerii

In a sentence

• W czasie bitwy ich siły opierały się głównie na wsparciu artylerii.

  During the battle, their forces relied mainly on artillery support.

  In this sentence, 'artylerii' is used in the genitive case to indicate support provided by the artillery.

• Od długiego czasu studiował historię artylerii.

  For a long time, he had been studying the history of artillery.

  Here, 'artylerii' is in the genitive case, used to denote the subject of the study.

• Projekty nowych systemów artylerii były bardzo zaawansowane.

  The designs of new artillery systems were very advanced.

  In this case, 'artylerii' is again in the genitive case, showing possession or relation to the systems being designed.