This is the 4405th most frequent Polish word.
instalacje
Installations.
The term 'instalacją' is derived from the word 'instalacje', and its grammatical case here indicates an action or process related to setting up equipment.
W naszej firmie zajmujemy się instalacją systemów grzewczych.
In our company, we deal with the installation of heating systems.
Here, 'instalacje' refers to the plural form of systems or equipment that are set up to serve industrial purposes.
Mój sąsiad nadzoruje instalacje przemysłowe w dużej fabryce.
My neighbor supervises industrial installations in a large factory.
In this sentence, 'instalacje' describes systems or networks set up for plumbing and electricity within a residence.