Thema Subject Categories 1.3

Previous versions of Thema are still available 1.2 1.1 1.0.

Browse the Thema subject categories hierarchy, or search for a specific term within the hierarchy.

See the search hints below.

Notation Category heading Add Mod ?
T Technology, Engineering, Agriculture, Industrial processes
Use for: associated skills, trades & professions
TB Technology: general issues
TBG Engineering graphics & draughting / technical drawing
Use for: computer aided draughting. Use with: other codes such as architecture, design or engineering as appropriate

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