professional teacher showing machinery to students
Contributor: auremar
ID : 188348526
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Keywords
apprentice, technology, student, outfit, modern, expertise, machinery, man, class, research, attention, woman, training, craftsmanship, instructor, business, teacher, industry, sample, assistant, apprenticeship, wood, trainee, protection, people, indoor, machine, working, craftsman, course, group, industrial, workshop, trainer, carpenter, young, woodwork, education, researcher, chemicalRelated items
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