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Subject
- Iron and steel workers.1
- Liquid metals.1
- Mannequins (Figures)--Design and construction.1
- Manufacturing industries.1
- Models and modelmaking.1
- Painting.1
- Paper industry workers.1
- Paper mills.1
- Paper.1
- Papermaking machinery.1
- Peanut industry.1
- Rivets and riveting.1
- Ship models.1
- Steel-works.1
- Technology and civilization.1
- Tugboats.1
- Wood.1
- Woodwork.1