This is the 13329th most frequent Russian word.
мусорных
The word "мусорных" is the genitive plural or adjectival form of "мусорный," meaning "of garbage" or "trash-related."
Here, 'мусорных' modifies 'баки', referring to bins designed for holding garbage.
На улице поставили новые мусорные баки для отходов.
New garbage bins for waste were placed on the street.
In this usage, 'мусорных' qualifies 'контейнеров', again referring to containers designated for garbage.
Рядом с домом оборудовали площадку для мусорных контейнеров.
A site for garbage containers was set up near the house.
In this example, 'мусорных' describes 'свалок', indicating dumps where garbage accumulates.