This is the 14144th most frequent Polish word.
pożarami
"Pożarami" means "fires" (instrumental plural form) in English.
The word "pożarami" is used here in the instrumental plural form, indicating the entity involved in the action (fighting against).
Strażacy dzielnie walczyli z pożarami lasów.
Firefighters bravely fought against forest fires.
Here, "pożarami" is in the instrumental plural form, showing the topic of the training (dealing with fires).
Władze miasta uczyły mieszkańców, jak radzić sobie z pożarami.
City authorities taught residents how to deal with fires.
In this case, "pożarami" appears in the instrumental plural, highlighting the object of protection (fires).