| on-the-job training(expression, work, experience, skills) |
| onsite training(expression, work, experience, skills) |
| operating experience(expression, work, experience, skills) |
| operational background(expression, work, experience, skills) |
| operational experience(expression, work, experience, skills) |
| operational expertise(expression, work, experience, skills) |
| past performance(expression, work, experience, skills) |
| period of probation(expression, work, experience, skills) |
| period of service(expression, work, experience, skills) |
| post-qualification experience(expression, work, experience, skills) |
| practical experience(expression, work, experience, skills) |
| practical expertise(expression, work, experience, skills) |
| practical knowledge(expression, work, experience, skills) |
| practical study(expression, work, experience, skills) |
| practical training(expression, work, experience, skills) |
| professionalism(expression, quality, knowledge, status) |
| qualifying employment(expression, work, experience, skills) |
| real-life experience(expression, work, experience, skills) |
| record of service(expression, work, experience, skills) |
| record of work(expression, work, experience, skills) |