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Subject (Topic)
- Mechanical drawing16
- Drafting and industrial drawings14
- Architecture--Designs and plans--Working drawings12
- Agricultural machinery--Design and construction7
- Mills and mill-work6
- Agricultural instruments5
- Drafting and industrial drawings5
- Canals--Design and construction3
- Naval architecture3
- Naval architecture Designs and plans3
- Naval drafting3
- Hydraulic engineering3
- Timber2
- Weights and measures2
- Agricultural instruments2
- Architecture--Designs and plans2
- Paint materials2
- Weights and measures2
- Flat roofs1
- Water levels1