The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- industrial waste thermal energy (0 members)
- Node Series (0 members)
- electric heat pump (0 members)
- crude oil (2 members)
- waste power plant (0 members)
- manufacturer role (0 members)
- activity (of a radionuclide) unit (7 members)
- microcurie per milliliter (0 members)
- 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)