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Subject (Topic)
- Mechanical drawing21
- Drafting and industrial drawings18
- Architecture--Designs and plans--Working drawings14
- Agricultural machinery--Design and construction9
- Mills and mill-work7
- Agricultural instruments6
- Drafting and industrial drawings6
- Naval architecture Designs and plans5
- Naval architecture4
- Naval drafting4
- Weights and measures4
- Canals--Design and construction3
- Weights and measures3
- Agricultural instruments3
- Architecture--Designs and plans3
- Hydraulic engineering3
- Flat roofs2
- Timber2
- Cottonseed oil2
- Paint materials2