| 1 | X Ray Operator |
| 2 | X-Ray Developer |
| 3 | X-Ray Electronics Wireman |
| 4 | X-Ray Electronics Wiring Technician |
| 5 | X-Ray Equipment Mechanic |
| 6 | X-Ray Equipment Tester |
| 7 | X-Ray Inspector |
| 8 | X-Ray Nurse |
| 9 | X-ray Service Engineer |
| 10 | X-ray Service Tech (X-ray Service Technician) |
| 11 | X-Ray Technician (X-Ray Tech) |
| 12 | X-Ray Technologist (X-Ray Tech) |
| 13 | Xerox Machine Assembler |
| 14 | Xerox Machine Mechanic |
| 15 | Xerox Machine Operator |
| 16 | XML Developer (Extensible Markup Language Developer) |