The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- ElectricalEnergy (3 members)
- OSW55b85ff93ff650198f75d2f44e8ba2ff (1 member)
- Caliper (0 members)
- ScenarioHorizon (0 members)
- DenotatorType (0 members)
- Molar (0 members)
- NichtTransformativerAnalyseprozess (0 members)
- Teaspoon (0 members)
- PetawattHour (0 members)
- LiquidAirProduction (0 members)
- Regression (0 members)
- Optimisation (0 members)
- Document (6 members)
- Length (3 members)
- CurrentCollector (0 members)
- RenewablePowerUnit (6 members)
- EmmoClass (0 members)
- AreaPerPowerUnit (0 members)
- Hundredweight (0 members)
- DataFormat (1 member)
- Rad (0 members)
- Electronvolt (0 members)
- Anthropogenic (1 member)
- ElectricCurrentUnit (3 members)
- BudgetType (0 members)
- Transformation (3 members)
- Service (0 members)
- Ethanol (0 members)
- OSW59ee73558a4e5757afdfca295e163637 (1 member)
- ChemicalComposition (0 members)
- Prüfling (0 members)
- WindEnergyTransformation (1 member)
- Topic (0 members)
- Quadratisch (0 members)
- ElectricityExport (0 members)
- OSW5add0510802d5b1d891a27fa0363147b (1 member)
- CarbonMonoxide (0 members)
- ElectrochemicalCyclingDataset (0 members)
- CountPerNanomolarSecond (0 members)
- CommonReportingFormat (0 members)
- Extensometer (0 members)
- BrinellHardnessTest (0 members)
- PowerRating (0 members)
- ElectricalHeater (0 members)
- AirPollutant (6 members)
- FinalEnergyCarrier (0 members)
- Hydrogen (6 members)
- Knotenname (0 members)
- PowerToGasProcess (2 members)
- ElectricitySector (0 members)