<p>➀ The article highlights the importance of Computer-Aided Manufacturing (CAM) in aligning PCB designs with fabrication capabilities, including adjustments to trace spacing, solder mask clearances, and pad shapes;</p><p>➁ It emphasizes ECAD-MCAD collaboration to address mechanical constraints and ensure seamless integration of PCB assemblies with enclosures; </p><p>➂ Simulation and iterative design refinements are crucial for validating performance and reliability under real-world conditions.</p>