engineer teaching apprentice to use grinding machine

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Size: 7360px × 4912px
Photo credit: © Phovoir / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 40s, apprentice, apprenticeship, assembly, boy, equipment, factory, industrial, laborer, learning, line, linisher, machinery, male, man, manual, manufacture, manufacturing, metal, production, professional, repair, teaching, teenage, teenager, trainee, training, vertical, woman, wood, work, worker, working, workman, workshop, yellow, young