Thema Subject Categories 1.4

Previous versions of Thema are still available 1.3 1.2 1.1 1.0.

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

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Notation Category heading Add Mod ?
T Technology, Engineering, Agriculture, Industrial processes
Class here: associated skills, trades and professions. Use all T* codes for: academic, technical, specialist and general adult titles. DO NOT USE: code ‘T’ itself, but select specific categories from section T*. Use all T* codes with: other subject categories and qualifiers where appropriate, in particular EDUCATIONAL PURPOSE 4* qualifiers for vocational, professional or apprenticeship style education titles
1.4
TT Other technologies and applied sciences
TTB Applied optics
TTBF Fibre optics
TTBL Laser technology and holography
TTBM Imaging systems and technology
See also: MKS* Medical imaging and its subcategories
TTBS Scanning systems and technology

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