The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- DiameterAfterFracture (0 members)
- Bügelmessschraube (0 members)
- EndDicke (0 members)
- Air (2 members)
- AirPollution (0 members)
- Picometer (0 members)
- DataCenter (0 members)
- CombustionThermalEnergyTransformation (0 members)
- ErrorReportDocument (0 members)
- Millisecond (0 members)
- SolarRadiationReceivingSurface (3 members)
- Atto (0 members)
- GrossElectricityGeneration (0 members)
- MarketRevenue (0 members)
- DieselTruck (0 members)
- PriceRequest (0 members)
- TextFileFormat (2 members)
- CapacityPremium (0 members)
- LiquidRenewableFuel (0 members)
- TypDerMesslängenmarkierungen (0 members)
- PrimaryEnergyCarrier (5 members)
- Ocean (0 members)
- PlugInHybridElectricCar (0 members)
- AnalysisScope (0 members)
- CargoShip (2 members)
- SecondaryControl (0 members)
- Liter (0 members)
- Picosecond (0 members)
- WasteThermalEnergy (1 member)
- IonicBond (0 members)
- Wind (0 members)
- VanDerWaalsBindung (0 members)
- MechanicalTestingProcess (3 members)
- SolarChemicalEnergyTransformation (0 members)
- PrivateTransport (0 members)
- TheoreticalFlowPotential (0 members)
- RadioactivityConcentration (2 members)
- Dehngrenze (2 members)
- ArealEnergyDensity (1 member)
- ModelCalculation (2 members)
- ProcessIdentifier (0 members)
- SpatialResolution (0 members)
- ScenarioFactsheet (0 members)
- NuclearEnergyTransformation (0 members)
- SensibleFluidHeatStorageObject (0 members)
- Power (0 members)
- HeatGenerationProcess (6 members)
- OneDimensionalTemporalRegion (2 members)
- EnergyTransferFunction (0 members)
- Cement (0 members)