Renkaat
Renkaat is the plural form of the Finnish noun rengas, meaning a circular band or loop. In Finnish, the term covers both circular objects such as tires and generic rings used in machinery, seals and components.
In everyday language renkaat most often refers to tires. Phrases include auton renkaat (car tires) and pyörän
In engineering and manufacturing contexts, renkaat can denote various circular seals or gaskets, such as O-rings
Tire construction and maintenance are typical topics under the umbrella of renkaat. Tires are usually made
Etymology: rengas means ring, and renkaat is the plural form. The term is widely used in Finnish