• Systems Engineering (designing new systems to meet your requirements)
• Reverse Engineering (taking something apart and documenting what it is and how it works)
• Documentation (preparing drawings, schematics, text and photos to describe something)
• Troubleshooting (with or without any existing documentation)
• Repair (location, procurement, and installation of repair parts)

The documents below are just a few examples of my work. Much more is available on request.