No. 4,933 in Polish
plastiku
"Plastiku" means "plastic" (material) in English.
In a sentence
Butelka jest wykonana z plastiku.
The bottle is made of plastic.
The word "plastiku" is used as a noun in the genitive case to indicate the material something is made from.
Nie wyrzucaj plastiku do zwykłego kosza.
Do not throw plastic into the regular trash bin.
Here, "plastiku" is again in the genitive case, which is required after the verb "wyrzucać" in this context, denoting the material being disposed of.
Zakaz używania plastiku obowiązuje od dziś.
The ban on using plastic is effective from today.
The genitive "plastiku" is used to describe what the prohibition applies to (usage of a material).
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