The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Dataset (0 members)
- Katal (0 members)
- TheoreticalStockPotential (0 members)
- SodiumSulphurBattery (0 members)
- Outage (2 members)
- File (7 members)
- ElectricityGrid (0 members)
- Labor (0 members)
- MaterialProperty (9 members)
- Hectare (0 members)
- ObjectProperty (22 members)
- Pages using duplicate arguments in template calls (1 member)
- Pages with script errors (5 members)
- Property (8 members)
- QuantityProperty (2 members)
- Term (0 members)
- Thing (1 member)