tecnology.io on Instagram: "Springs are manufactured by feeding high-strength steel wire from a spool into an automated coiling machine that bends and winds the wire into the desired shape. Once the coils are formed, the spring is heat-treated to relieve internal stress and restore elasticity. Depending on the type, the ends may be ground flat for stability, and the surface is often shot-peened with tiny steel beads to improve durability and fatigue resistance. The spring is then preset by compr