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Related to on-the-job: On-the-job training
Acquired or learned while working at a job: on-the-job training.
during or while doing or working at a job
done, received, or happening while in actual performance of one's work: on-the-job training.
|Adj.||1.||on-the-job - relating to or associated with a job or employment; "on-the-job training"; "on-the-job requirements"|