This is the 4731st most frequent Polish word.
niezbędnych
Essential or necessary.
The word 'niezbędnych' is used here as an adjective describing the tools necessary for the project, implying indispensable or required features.
Do realizacji tego projektu potrzebujemy wszystkich niezbędnych narzędzi.
To complete this project, we need all the essential tools.
In this context, 'niezbędnych' modifies the noun 'products,' highlighting their necessity for accomplishing the repair task.
W sklepie zabrakło niezbędnych produktów do naprawy.
The store lacked the essential products for the repair.
Here, 'niezbędnych' describes items that are vital or required for completing the travel preparations effectively.