The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Bügelmessschraube (0 members)
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- air (2 members)
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- data center (0 members)
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- solar radiation receiving surface (3 members)
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- diesel truck (0 members)
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- text file format (2 members)
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- liquid renewable fuel (0 members)
- Typ Der Messlängenmarkierungen (0 members)
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- primary energy carrier (5 members)
- ocean (0 members)
- plug-in hybrid electric car (0 members)
- analysis scope (0 members)
- OSWeb7244fc3f2c59ae8e2dc3c0e5ff43e0 (1 member)
- cargo ship (2 members)
- Notation3 (0 members)
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- liter (0 members)
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- waste thermal energy (1 member)
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- Mechanical Testing Process (3 members)
- solar chemical energy transformation (0 members)
- private transport (0 members)
- theoretical flow potential (0 members)
- radioactivity concentration (2 members)
- Dehngrenze (2 members)
- areal energy density (1 member)
- model calculation (2 members)
- Process Identifier (0 members)
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- nuclear energy transformation (0 members)
- Engineered Material (0 members)
- sensible fluid heat storage object (0 members)
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