Explaining universe on Instagram: "It looks simple. But a spring is pure engineering precision. 🧠⚙️ It starts with high-strength steel drawn into a thin wire. That wire is tightly coiled under controlled tension. Then comes heat treatment — the step that gives the spring its real power. Heating hardens the metal. Cooling locks in elasticity. Too soft? It bends. Too hard? It snaps. Every spring is tested to make sure it can compress, stretch, and rebound thousands — sometimes millions — of times

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How to Replace or Make a Trampoline Spring Cover