This is the 10468th most frequent Polish word.
czyszczenia
"Cleaning" or "of cleaning."
Here, 'czyszczenia' is used as a noun meaning 'cleaning' in the context of activities or supplies related to cleaning.
Potrzebuję nowych środków do czyszczenia.
I need new cleaning supplies.
In this sentence, 'czyszczenia' refers to the process of cleaning a pipeline, indicating the activity of cleaning itself as a noun.
Czyszczenia rurociągu wymagają specjalistycznego sprzętu.
Cleaning the pipeline requires specialized equipment.
Here, 'czyszczenia' is used to describe the ongoing action of cleaning, formed as a noun from the verb 'czyścić', referring to the action taken.