The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- ResistanceToAlternativeCurrent (0 members)
- PolarityReversal (0 members)
- NormalHydrogenElectrode (0 members)
- ConstantCurrentCharging (0 members)
- SetVoltage (0 members)
- MeasuredUncertainty (0 members)
- AbsorbedDoseDimension (0 members)
- SoftwareApplication (0 members)
- ThuliumSymbol (0 members)
- AtomisticModel (0 members)
- ChronoMethods (0 members)
- Frequency (0 members)
- Replica (0 members)
- SpecificEnthalpy (0 members)
- Ship (0 members)
- CaesiumAtom (0 members)
- Copper (0 members)
- Torus (0 members)
- QuarticLengthDimension (0 members)
- MinimumStoichiometry (0 members)
- Anolyte (0 members)
- Joining (0 members)
- GeographicLocation (0 members)
- Software (0 members)
- NonPrefixedUnit (0 members)
- PerThermalTransmittanceDimension (0 members)
- ManufacturingDevice (0 members)
- BimetallicElectrode (0 members)
- PrismaticCell (0 members)
- Manufactured (0 members)
- ElectricConductivityDimension (0 members)
- NominalConcentration (0 members)
- CounterElectrode (0 members)
- MeasuredQuantitativeProperty (0 members)
- DiscreteManufacturing (0 members)
- Fluid (0 members)
- BatteryEnergy (0 members)
- SulfurAtom (0 members)
- Cognised (0 members)
- MassPerTimeDimension (0 members)
- ManganeseDioxideElectrode (0 members)
- MathematicalFormula (0 members)
- DirectCurrent (0 members)
- SurfaceTension (0 members)
- ElectrolyteContainment (0 members)
- NumericalData (0 members)
- TimeConstant (0 members)
- StorageTest (0 members)
- DensityOfVibrationalStates (0 members)
- ChemicalPotential (0 members)