This is the 10451st most frequent Polish word.
czujników
"czujników" - "sensors" (genitive plural form).
Here, 'czujników' is the genitive plural form of 'czujnik' (sensor), used to indicate possession or quantity in the sentence.
Nowoczesne samochody są wyposażone w wiele czujników.
Modern cars are equipped with many sensors.
Here, 'czujników' is in genitive plural form, used in conjunction with 'instalacji' (installation) to describe what kind of installation it pertains to.
Koszt instalacji czujników bezpieczeństwa może być wysoki.
The cost of installing safety sensors can be high.
In this sentence, 'czujników' is again in the genitive plural form of 'czujnik', emphasizing the collection of data from multiple sensors situated within a location.