päälaajan
Päälaajan is a Finnish term that literally translates to "head joint" or "main joint." In a broader sense, it refers to the primary or most significant component in a system or structure, particularly when that component is a joint or connection point.
The term is not commonly used in everyday language outside of specific technical or artisanal contexts. Its
For example, in traditional wooden construction, a main load-bearing joint in a timber frame might be referred