Lisäjärjestelmä
Lisäjärjestelmä, meaning "additional system" or "supplementary system" in Finnish, refers to any system or component that is added to an existing primary system to enhance its functionality, performance, or reliability. The term is broad and can be applied in various contexts, from technology and engineering to administrative or organizational structures.
In a technical context, a lisäjärjestelmä might be a secondary cooling system added to a primary one
The purpose of a lisäjärjestelmä is typically to address specific needs or limitations of the primary system