The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- synthetic hydrogen (2 members)
- Insert Surface (0 members)
- roentgen (0 members)
- marine current energy power plant (0 members)
- Project (Application) Status (12 members)
- waste power unit (0 members)
- methodical focus (0 members)
- process attribute (12 members)
- Tutorial (16 members)
- Prüfkörperklassifizierung (0 members)
- gross national electricity consumption (0 members)
- Algorithm (2 members)
- Event Contribution (2 members)
- heat generating unit (3 members)
- object aggregate (4 members)
- Operator (0 members)
- final energy consumption (0 members)
- OSW4aa7674c5ec35cb7828067b388ff0f19 (1 member)
- parts per million (0 members)
- boolean variable (0 members)
- start time (0 members)
- century (0 members)
- yield profile (0 members)
- millimolal (0 members)
- framework factsheet (0 members)
- Building (0 members)
- marine tidal energy power plant (0 members)
- fossil industrial waste fuel (0 members)
- deciliter (0 members)
- goal description (0 members)
- internal combustion engine (3 members)
- labour force (0 members)
- energy service demand for passenger-kilometre (0 members)
- base ontology module (0 members)
- motorised road vehicle (4 members)
- sustainable biofuel (0 members)
- Härteprüfung nach Vickers (0 members)
- Transition Point Testing Rate (0 members)
- dots per inch (0 members)
- plaque forming unit per milliliter (0 members)
- exa (0 members)
- millicurie (0 members)
- OSW4dd81210f40f5c19939d21430440d86b (1 member)
- policy (1 member)
- Perimeter (0 members)
- joule (0 members)
- economic flow potential (0 members)
- gross value added (0 members)
- ambient thermal energy (2 members)
- lignite power unit (0 members)