This is the 14802nd most frequent Polish word.
ratowniczej
"Ratowniczej" means "rescue" or "lifesaving" in the context of services or actions.
Here, "ratowniczej" functions as an adjective describing "akcji" (operation), indicating the type of operation performed.
Strażacy przygotowywali się do akcji ratowniczej.
The firefighters were preparing for the rescue operation.
In this sentence, "ratowniczej" describes "załogi" (team), specifying the rescue nature of the team.
Członek załogi ratowniczej udzielił pierwszej pomocy poszkodowanemu.
A member of the rescue team provided first aid to the injured person.
Here, "ratowniczej" acts as an adjective modifying "jednostki" (unit), referring to the characteristics of the unit specializing in rescue tasks.