| on duty(expression, adjective, idiom, active, occupied) |
| on the job(expression, adjective, idiom, active, occupied) |
| operated(verb, adjective, applied) |
| practical(adjective, active, occupied, running, alive) |
| practiced(verb, adjective, applied) |
| pursuing(full, involved, occupied, working, interested) |
| useful(adjective, active, occupied, running, alive) |
| absorbed(verb, full, involved, occupied, inattentive) |
| active(adjective, lively, busy, occupied, running) |
| alive(running, functioning, operational) |
| appointed |
| assiduous(adjective, lively, active, busy, occupied) |
| at work(expression, adjective, active, full, occupied) |
| committed(verb, full, involved, occupied, working) |
| conducted(verb, adjective, applied) |
| contracted(verb, adjective, involved, betrothed, hired) |
| engrossed(adjective, active, full, involved, busy) |
| expended(verb, exerted) |
| functional |
| functioned(verb, adjective, applied) |