The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- assumption (1 member)
- resolution (2 members)
- wood (0 members)
- terajoule (0 members)
- media type (1 member)
- secondary energy carrier disposition (0 members)
- delivery time point (0 members)
- pixels per millimeter (0 members)
- electrical energy storage function (0 members)
- Educational Organization (1 member)
- temporal interval (0 members)
- binary file format (0 members)
- chain (0 members)
- workflow specification (0 members)
- OeoTerm (0 members)
- greenhouse gas (4 members)
- Dauer (0 members)
- data curation service (0 members)
- biomethane (1 member)
- Meeting Series (0 members)
- international transport (0 members)
- full load hours (0 members)
- energy converting component (9 members)
- liter per kilogram (0 members)
- liquefied petroleum gas (0 members)
- user (2 members)
- marine thermal energy (0 members)
- Volume Fraction (0 members)
- data descriptor (5 members)
- Faculty (0 members)
- giga (0 members)
- Hersteller (0 members)
- top down (0 members)
- Heat Capacity (0 members)
- pound (0 members)
- client (0 members)
- data processing process (0 members)
- Proben-Rolle (0 members)
- Digital Material Identifier (0 members)
- computer science (5 members)
- Cross Section Determination (0 members)
- marine wave energy transformation (0 members)
- tank ship (0 members)
- conventional energy carrier disposition (0 members)
- OSWa1a2733af7405fb3bde01d88a367f816 (1 member)
- renewable (0 members)
- pressure unit (2 members)
- solar-steam-electric process (1 member)
- act of dissolution (0 members)
- textual entity (19 members)