CAD Softwares (Solidworks, mechanical assemblies , Catia), manufacturing processes , tolerance analysis , assembly processes , ECR ECN processes, Validation, PLM systems, Yield improvement, Spc, Production troubleshooting, Control Plans, Material Selection, 8D or similar structured problem-solving methods, Tooling, Fixtures, Engineering documentation, Injection molded plastics, Creo, Lean Manufacturing, Pfmea