päärungon
Päärungon is a Finnish term that literally translates to "head body." In its most common usage, it refers to the main body or chassis of a vehicle, particularly in the context of heavy machinery, trucks, or buses. It signifies the central structural component to which other parts, such as the engine, cabin, axles, and cargo area, are attached. This core structure is designed to bear significant loads and withstand the stresses of operation.
The term is also sometimes used in a more figurative sense to describe the primary or principal