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
1.3
TD Industrial chemistry & manufacturing technologies
TDC Industrial chemistry & chemical engineering
Class here: technology of detergents, rubber; biocides etc
1.1
TDP Other manufacturing technologies
Use for: manufacturing processes or technologies that do not have their own code
1.3

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