fabryki

In a sentence

• W naszej okolicy znajdują się trzy fabryki.

  In our area, there are three factories.

  Here, 'fabryki' is the plural nominative form of 'fabryka', used to denote multiple factories as the subject.

• Zatrudniam wielu pracowników w fabrykach.

  I employ many workers in factories.

  Here, 'fabrykach' is in the locative plural form, indicating the location where the action takes place (inside factories).

• Fabryki produkujące elektronikę są bardzo nowoczesne.

  Factories producing electronics are very modern.

  In this case, 'fabryki' is the plural nominative form used as a subject to describe factories that produce electronics.