The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- ExtensometerDehnung (0 members)
- NonMethaneVolatileOrganicCompound (0 members)
- MaterialEntity (10 members)
- EconomicScenario (0 members)
- Reduction (0 members)
- HydrogenBond (0 members)
- Process (3 members)
- MaterialSustainability (0 members)
- EmissionFactor (0 members)
- LightUnit (8 members)
- TensileTestingMachine (0 members)
- ArtificialObject (14 members)
- Radiation (1 member)
- DehngrenzeBeiGesamterExtensometerDehnung (0 members)
- ParticulateMatter (2 members)
- Combustion (0 members)
- Microampere (0 members)
- PrimaryEnergyCarrierDisposition (0 members)
- Fathom (0 members)
- LiquidFossilFuel (4 members)
- MeasuringDevice (6 members)
- Quantitist (0 members)
- DelimiterSeparatedFileFormat (1 member)
- OSWe6e8bbb418ad51988fc9c2085ae5b514 (1 member)
- NonAssociatedGas (0 members)
- WasteFuel (4 members)
- CooperativeProgramming (0 members)
- AngleUnit (2 members)
- Schlitten (0 members)
- EnergyTransfer (4 members)
- NaturalGas (5 members)
- FossilHydrogen (2 members)
- OSWe87966b5189256328ea3af8cfeee92a9 (1 member)
- 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)