kaksiseinäinen
Kaksiseinäinen is a Finnish term that translates to "double-walled" or "two-walled" in English. It describes a structure or object that consists of two distinct layers or walls, separated by a space. This space can be filled with air, a vacuum, or another insulating material.
The primary purpose of a kaksiseinäinen construction is often to provide insulation. This can be for thermal
Examples of kaksiseinäinen structures are common in everyday life. Insulated mugs and thermoses use this principle