This is the 3096th most frequent Russian word.
кастрюлю
A pot or saucepan.
Here, 'кастрюлю' is the direct object of the verb 'купил', functioning as an accusative form of the noun.
Я купил новую кастрюлю.
I bought a new pot.
In this sentence, 'кастрюлю' indicates the object being placed, again showing the usage in the accusative case.
Кастрюлю ставят на плиту для готовки.
A pot is placed on the stove for cooking.
Here, 'кастрюлю' serves as the object of the verb 'передай', used in a command or request format.