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
TT Other technologies & applied sciences
TTA Acoustic & sound engineering
TTB Applied optics
TTD Space science
See also: WNX Popular astronomy & space
TTM Military engineering
TTP Explosives technology & pyrotechnics
TTS Marine engineering
Class here: offshore engineering, sonar etc
TTU Mining technology & engineering
TTV Other vocational technologies & trades
TTW Assistive technology
Class here: use of technology to assist and enable people with disabilities to live independent lives
1.2
TTX Taxidermy

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