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  <!-- ─── Mechanical Engineering Calculators (11 URLs) ────────────────────────── -->
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  <!-- ─── Mechanical Engineering - Strength of Materials (10 URLs) ────────────────────────── -->
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  <!-- ─── Mechanical Engineering - Machine Design (10 URLs) ────────────────────────── -->
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  <!-- ─── Mechanical Engineering - Manufacturing Engineering (8 URLs) ────────────────────────── -->
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  <!-- ─── Mechanical Engineering - Engineering Dynamics (2 URLs) ────────────────────────── -->
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  <!-- ─── Civil Engineering Calculators (7 URLs) ────────────────────────── -->
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  <!-- ─── Fluid Mechanics Calculators (12 URLs) ────────────────────────── -->
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  <!-- ─── Thermodynamics & Heat Calculators (13 URLs) ────────────────────────── -->
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  <!-- ─── Mathematics & Solvers (100 URLs) ────────────────────────── -->
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