Category:2008
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Pages in category "2008"
The following 758 pages are in this category, out of 758 total.
5
A
- Acid Value/id
- Acid Value/ru
- Algae fuel/es
- Algae fuel/hi
- Algae fuel/kn
- Algae fuel/ko
- Algae fuel/sk
- Algae fuel/ta
- Algae fuel/tr
- Algae/es
- Algae/id
- Alkaline water ionizers/ko
- Alternating current/es
- Alternating current/pt
- Alternating current/ro
- Anaerobic digestion/es
- Anaerobic digestion/fr
- Anaerobic digestion/id
- Anaerobic digestion/ko
- Anaerobic digestion/pt
- Anaerobic digestion/tr
- Anaerobic digestion/zh
- Appropriate technology villages/ko
- APSC100/zh
- Arcata Marsh/Clarifiers 2/id
- Arcata Marsh/Clarifiers 2/ko
- Arcata Marsh/Clarifiers 2/tr
- Arcata Marsh/Clarifiers/zh
- Arcata Marsh/Compost/tr
- Arcata Marsh/es
- Arcata Marsh/History of the land/es
- Arcata Marsh/Influent/ko
- Arcata Marsh/Influent/tr
- Arcata Marsh/Story/zh
- Arcata Marsh/tr
- Arcata Marsh/Treatment wetlands/th
- Arsenic/so
- Ashley Shuyler/ckb
- Ashley Shuyler/de
- Ashley Shuyler/ee
- Ashley Shuyler/es
- Ashley Shuyler/ko
B
- Bag gardens/ar
- Bag gardens/es
- Bag gardens/fr
- Bag gardens/ko
- Bag gardens/my
- Bag gardens/th
- Balcony gardens/fr
- Bamboo demonstration motor/es
- Bamboo demonstration motor/pt
- Base of the pyramid/cs
- Bicycle generator: The ultimate DIY guide (With examples!)/de
- Bicycle generator: The ultimate DIY guide (With examples!)/es
- Bicycle generator: The ultimate DIY guide (With examples!)/hi
- Bicycle generator: The ultimate DIY guide (With examples!)/kk
- Bicycle generator: The ultimate DIY guide (With examples!)/ko
- Bicycle generator: The ultimate DIY guide (With examples!)/pl
- Bicycle generator: The ultimate DIY guide (With examples!)/pt
- Bicycle generator: The ultimate DIY guide (With examples!)/uk
- Bicycle generator: The ultimate DIY guide (With examples!)/zh
- Biodiesel auf Deutsch/en
- Biogas start-up guide/es
- Biogas start-up guide/id
- Biogas start-up guide/nl
- Biogasoline/de
- Blown film extrusion/es
- Blown film extrusion/hi
- Blown film extrusion/it
- Blown film extrusion/ko
- Blown film extrusion/nl
- Blown film extrusion/pl
- Blown film extrusion/pt
- Blown film extrusion/ru
- Blown film extrusion/th
- Blown film extrusion/th/en
- Blown film extrusion/uk
- Blown film extrusion/zh
- Bokashi anaerobic digestion/fr
- BRIDGE Nicaragua/fr
C
- Carbon fiber production/vi
- Carbon fiber production/zh
- Carbon nanotubes and the hydrogen fuel cell/es
- CCAT bicycle generator/id
- CCAT bicycle generator/ko
- CCAT bicycle generator/pl
- CCAT bicycle generator/zh
- CCAT brian willson/es
- CCAT cob bench howto/es
- CCAT companion planting/bs
- CCAT companion planting/de
- CCAT companion planting/fa
- CCAT companion planting/he
- CCAT companion planting/hr
- CCAT companion planting/mk
- CCAT companion planting/sr
- CCAT decomisioned bamboo construction/es
- CCAT decomisioned bamboo construction/fr
- CCAT decomisioned bamboo construction/id
- CCAT decomisioned bamboo construction/it
- CCAT decomisioned bamboo construction/ko
- CCAT decomisioned bamboo construction/pt
- CCAT decomissioned strawbale shed/pt
- CCAT Earthship Wall/ko
- CCAT Gravity fed drip irrigation/mr
- CCAT Gravity fed drip irrigation/uk
- CCAT human energy converter/es
- CCAT human energy converter/it
- CCAT human energy converter/ko
- CCAT human energy converter/vi
- CCAT human energy converter/zh
- CCAT human powered belt sander/pl
- CCAT pedal battery charger/es
- CCAT pedal battery charger/ru
- CCAT pedal battery charger/vi
- CCAT pedal drill press/bg
- CCAT pedal drill press/es
- CCAT pedal drill press/fr
- CCAT pedal drill press/it
- CCAT pedal drill press/ru
- CCAT pedal drill press/vi
- CCAT pedal electric blender/fr
- CCAT pedal electric blender/ko
- CCAT pedal electric blender/pt
- CCAT pedal electric blender/uk
- CCAT pedal frisbee/es
- CCAT pedal frisbee/nl
- CCAT pedal frisbee/pl
- CCAT pedal frisbee/pt
- CCAT pedal frisbee/zh
- CCAT pedal grinder/de
- CCAT pedal grinder/fr
- CCAT pedal grinder/pt
- CCAT pedal jack herer/zh
- CCAT pedal mechanical blender/es
- CCAT pedal mechanical blender/fr
- CCAT pedal mechanical blender/pt
- CCAT pedal power lab/vi
- CCAT pedal power laptop/fr
- CCAT pedal power laptop/ko
- CCAT pedal powered grain mill/es
- CCAT pedal powered grain mill/ru
- CCAT pedal powered innovations/de
- CCAT pedal powered innovations/ko
- CCAT pedal sewing machine/pl
- CCAT pedal tablesaw/es
- CCAT pedal tablesaw/uk
- CCAT pedal tablesaw/vi
- CCAT pedal tv and vcr/pl
- CCAT pedal washing machine/id
- CCAT pedal washing machine/uk
- CCAT quick and dirty side pull thermal curtain howto/it
- CCAT rainwater catchment system/gl
- CCAT real goods pedal generator/es
- CCAT real goods pedal generator/vi
- CCAT solar shower/bg
- CCAT sunfrost refrigerator/ko
- CCAT thermal curtains howto/es
- CCAT thermal curtains howto/hi
- CCAT thermal curtains howto/zh
- Cheap solar chimney/de
- Chicken tractors/es
- Chispito wind turbine/cs
- Chispito wind turbine/ru
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/de
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/es
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/fr
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/hi
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/id
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/it
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/ja
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/ko
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/ne
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/nl
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/pt
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/ta
- Chiuri - the Butter Tree of Nepal (Practical Action Brief)/tr
- CleanCook ethanol stove/hi
- Community-based economics/th
- Compound parabolic concentrators/es
- Compound parabolic concentrators/fr
- Compound parabolic concentrators/id
- Compound parabolic concentrators/ro
- Compound parabolic concentrators/zh
- Compressed earth brick press/ar
- Compressed earth brick press/fr
- Compressed earth brick press/it
- Compressed earth brick press/tr
- Compressed earth brick press/uk
- Conservation/ar
- Conservation/it
- Control and treatment of bedbugs/fr
- Control and treatment of bedbugs/hi
- Control and treatment of bedbugs/vi
- Control of head lice/hi
- Cordwoodguy's cordwood guide/fr
- Corn Cob Charcoal Crusher/es
- Corn Cob Charcoal Crusher/ko
- Corn Cob Charcoal Crusher/nl
- Corn Cob Charcoal Crusher/zh
- Crank power/ko
- Curdled milk paint recipe/es
- Curdled milk paint recipe/fr
- Curdled milk paint recipe/gl
- Curdled milk paint recipe/he
- Curdled milk paint recipe/it
- Curdled milk paint recipe/zh
D
E
- Earthen ovens/bn
- Earthen ovens/ko
- Earthquakes/bn
- Earthquakes/fr
- Earthquakes/hi
- Earthquakes/mai
- Earthquakes/mr
- Ecological footprint/ja
- Edible flowers/sr
- Electric generator/ar
- Electric generator/de
- Electric generator/es
- Electric generator/fi
- Electric generator/fr
- Electrospray/ko
- Electrospray/zh
- Energy cannibalism/es
- Energy cannibalism/pt
- Energy currency/id
- Energy currency/ko
- Engr 305 solar learning station/pt
- Engr305 peanut sheller project/ja
- Engr305 peanut sheller project/pl
- Environmental psychology/ar
- Equal and proportionate distribution of water in irrigation systems/mr
F
- Flour paint recipe/de
- Flour paint recipe/es
- Flour paint recipe/fr
- Flour paint recipe/id
- Flour paint recipe/ko
- Flour paint recipe/pl
- Flour paint recipe/ru
- Flour paint recipe/tk
- Flour paint recipe/zh
- Fuel/kn
- Fuel/zh
- Full Belly Project/Nutsy/ja
- Full Belly Project/Pressed Plastic/ja
- Full Belly Project/The Full Bell/ja
- Full Belly Project/Universal Nut Sheller/Adjusting and testing/es
- Full Belly Project/Universal Nut Sheller/Adjusting and testing/ja
- Full Belly Project/Universal Nut Sheller/Adjusting and testing/pl
- Full Belly Project/Universal Nut Sheller/ja
- Full Belly Project/Universal Nut Sheller/ko
- Full Belly Project/Universal Nut Sheller/pl
- Full Belly Project/Universal Nut Sheller/Troubleshooting/ja
G
H
- Harnessing Solar Power (USAID in Africa - Success Stories)/ko
- Harnessing Solar Power (USAID in Africa - Success Stories)/vi
- Heating the fuel/cs
- Heating the fuel/es
- Heating the fuel/zh
- Heliostats/es
- Heliostats/id
- Heliostats/pt
- Heliostats/zh
- Hexayurt project/Safety information/ja
- Hexayurt project/Safety information/ko
- Hexayurt/Book/ar
- Hexayurt/Book/es
- Hexayurt/Book/fi
- Hexayurt/Book/ja
- Hexayurt/Book/ko
- Hexayurt/Book/pt
- Hexayurt/Book/ro
- Hexayurt/Book/ru
- Hexayurt/Book/tr
- Hexayurt/Book/uk
- Hexayurt/Book/zh
- How to build your own fuel cell/es
- How to make a compound parabolic solar cooker/es
- How to make a compound parabolic solar cooker/ja
- How to make a compound parabolic solar cooker/vi
- How to make a compound parabolic solar cooker/zh
- How to make awesome thermal curtains/hu
- How to make awesome thermal curtains/id
- How to make awesome thermal curtains/ja
- How to make awesome thermal curtains/zh
- HSU Urban Rainwater Catchment/es
- Hydrogen fuel cell/id
- Hydrogen fuel cell/zh
- Hygiene Standard Institute (HSI)/es
- Hygiene Standard Institute (HSI)/id
- Hygiene Standard Institute (HSI)/tl
I
- Increasing supercapacitor performance/ko
- Induction heating/lv
- Induction heating/pt
- Induction heating/th
- Integrated cooking/fr
- Interlocking Stabilized Soil Block (ISSB) Maker/ar
- Interlocking Stabilized Soil Block (ISSB) Maker/es
- Intermediate technology/it
- Intermediate technology/ml
- International Development Design Summit/ta
- International development/es
- International development/ko
- Issues in urban planning/ar
- Issues in urban planning/bn
- Issues in urban planning/fa
- Issues in urban planning/fr
- Issues in urban planning/hi
- Issues in urban planning/mr
- Issues in urban planning/pt
- Issues in urban planning/ru
- Issues in urban planning/tr
- Issues in urban planning/zh
J
- Jean Pain system/bg
- Jean Pain system/cs
- Jean Pain system/de
- Jean Pain system/el
- Jean Pain system/es
- Jean Pain system/fa
- Jean Pain system/fi
- Jean Pain system/fr
- Jean Pain system/hr
- Jean Pain system/hu
- Jean Pain system/it
- Jean Pain system/ja
- Jean Pain system/nl
- Jean Pain system/pl
- Jean Pain system/ro
- Jean Pain system/ru
- Jean Pain system/sl
- Jean Pain system/sr
- Jean Pain system/tr
- Jean Pain system/uk
- Jean Pain system/zh
K
L
M
- Magnetism/ro
- Malaria/ar
- Matter/es
- MECH370 Materials Processing/pt
- MECH370 Materials Processing/tr
- MECH370 Materials Processing/zh
- Metal reclamation and recycling of electronic waste/zh
- Microwave processing/ar
- Molecular beam epitaxy/id
- Molecular beam epitaxy/pl
- Molecular beam epitaxy/zh
- Mycoremediation/es
- Mycoremediation/sv
N
O
- Open licenses/ar
- Open licenses/it
- Open licenses/ja
- Open licenses/my
- Open licenses/th
- Open licenses/vi
- Open licenses/zh
- Open Source Ecology/es
- Open Source Ecology/fr
- Open Source Ecology/ko
- Open Source Ecology/pt
- Open Source Ecology/ru
- Open Source Ecology/zh
- Open source patents/es
- Optic Fiber Fabrication/es
- OSNCamp 2008/Schedule/id
- OSNCamp 2008/Schedule/zh
P
- Papasan chair solar cooker/es
- Papasan chair solar cooker/fr
- Papasan chair solar cooker/ja
- Papasan chair solar cooker/ko
- Papasan chair solar cooker/pt
- Papasan chair solar cooker/ru
- Papasan chair solar cooker/uk
- Papasan chair solar cooker/vi
- Papasan chair solar cooker/zh
- Papercrete vs. StrawBale/ar
- Papercrete vs. StrawBale/fr
- Papercrete vs. StrawBale/hu
- Papercrete vs. StrawBale/ja
- Papercrete vs. StrawBale/ru
- Parabolic solar cooker/es
- Parabolic solar cooker/ko
- Parabolic solar cooker/vi
- Paul Polak/it
- Pearl Millet thresher/hi
- Pedal powered generator/ar
- Pedal powered generator/cs
- Pedal powered generator/es
- Pedal powered generator/fr
- Pedal powered generator/hr
- Pedal powered generator/id
- Pedal powered generator/it
- Pedal powered generator/ja
- Pedal powered generator/ko
- Pedal powered generator/nl
- Pedal powered generator/pl
- Pedal powered generator/pt
- Pedal powered generator/ru
- Pedal powered generator/sv
- Pedal powered generator/tr
- Pedal powered generator/uk
- Pedal powered generator/zh
- Plasma spray processing/uk
- Plasma spray processing/zh
- Polymer environmental-friendly resin/de
- Polymer environmental-friendly resin/uk
- Polymer microneedles/zh
- Potawot Health Village Solar Energy: Installation and History/es
- Potawot pine resin pavement/id
- Potawot pine resin pavement/ja
- Potawot pine resin pavement/ru
- Potawot pine resin pavement/zh
- Potawot swales/fr
- Practical Action/A continuous low-cost bottle & jar cooling system/te
- Practical Action/Anagi tray dryer/es
- Practical Action/Anagi tray dryer/te
- Practical Action/Banana beer/es
- Practical Action/Banana beer/pt
- Practical Action/Banana chips/es
- Practical Action/Banana chips/id
- Practical Action/Banana chips/mr
- Practical Action/Banana chips/pt
- Practical Action/Banana chips/si
- Practical Action/Bottle washing and steam sterilisation/te
- Practical Action/Brown sugar/el
- Practical Action/Brown sugar/pt
- Practical Action/Butter making/id
- Practical Action/Butter making/pt
- Practical Action/Butter making/tr
- Practical Action/Butter making/zh
- Practical Action/Cashew nut processing/es
- Practical Action/Cashew nut processing/fr
- Practical Action/Cashew nut processing/id
- Practical Action/Cashew nut processing/pt
- Practical Action/Cold storage of fruits and vegetables/hi
- Practical Action/Cold storage of fruits and vegetables/th
- Practical Action/Cold storage of fruits and vegetables/tr
- Practical Action/Compost bin manufacture/mfe
- Practical Action/Compost bin manufacture/si
- Practical Action/Conservation of indigenous breeds/es
- Practical Action/Drying of apricots/fr
- Practical Action/Drying of apricots/zh
- Practical Action/Drying of chillies/es
- Practical Action/Drying of chillies/zh
- Practical Action/Drying of foods/es
- Practical Action/Drying of foods/id
- Practical Action/Drying of foods/tr
- Practical Action/Drying of foods/vi
- Practical Action/Drying of foods/zh
- Practical Action/Earthquake-resistant housing/zh
- Practical Action/Essential oils/es
- Practical Action/Essential oils/pt
- Practical Action/Food processing building design/ar
- Practical Action/Food processing building design/el
- Practical Action/Food processing building design/es
- Practical Action/Food processing building design/fr
- Practical Action/Food processing building design/he
- Practical Action/Food processing building design/hu
- Practical Action/Food processing building design/id
- Practical Action/Food processing building design/ko
- Practical Action/Food processing building design/tr
- Practical Action/Food processing building design/zh
- Practical Action/Fruit juice processing/pt
- Practical Action/Fruit juice processing/zh
- Practical Action/Ginger processing/hi
- Practical Action/Ginger processing/ta
- Practical Action/Home composting/es
- Practical Action/Home composting/zh
- Practical Action/Marshmallows/te
- Practical Action/Methods for testing lime in the field/it
- Practical Action/Mud plasters and renders/hi
- Practical Action/Mud plasters and renders/sr
- Practical Action/Oil Extraction/fr
- Practical Action/Oil Extraction/mr
- Practical Action/Packaging Foods in Glass/ru
- Practical Action/Packaging Foods in Glass/vi
- Practical Action/Papain Production/es
- Practical Action/Papain Production/hi
- Practical Action/Papain Production/id
- Practical Action/Papain Production/ko
- Practical Action/Papain Production/ml
- Practical Action/Papain Production/pt
- Practical Action/Papain Production/vi
- Practical Action/Papain Production/zh
- Practical Action/Passion Fruit Jam/pt
- Practical Action/Processing of Nutmeg and Mace/id
- Practical Action/Processing of Nutmeg and Mace/zh
- Practical Action/Production of preserved passion fruit juice/vi
- Practical Action/Run-off rainwater harvesting/es
- Practical Action/Small Scale Drying technology/es
- Practical Action/Small Scale Drying technology/id
- Practical Action/Small Scale Drying technology/pt
- Practical Action/Solar (PV) water-pumping/ar
- Practical Action/Solar (PV) water-pumping/pt
- Practical Action/The 'A' frame/fr
- Practical Action/The 'A' frame/hi
- Practical Action/The 'A' frame/hu
- Practical Action/The 'A' frame/id
- Practical Action/The 'A' frame/my
- Practical Action/The 'A' frame/si
- Practical Action/Turmeric/hi
- Practical Action/Turmeric/id
- Practical Action/Ventilated Improved Pit Latrine/es
- Practical Action/Ventilated Improved Pit Latrine/my
- Practical Action/Water harvesting in Sudan/ar
- Practical Action/Yoghurt Incubator/pt
- Practical Action/Yoghurt Production/ru
- Primary wastewater treatment/ar
- Primary wastewater treatment/hi
- Primary wastewater treatment/id
- Primary wastewater treatment/ko
- Primary wastewater treatment/pt
- Primary wastewater treatment/te
- Primary wastewater treatment/th
- Primary wastewater treatment/uz
- Primary wastewater treatment/vi
- Primary wastewater treatment/zh
- Principles of urban planning/az
- Principles of urban planning/ru
- Principles of urban planning/uz
- Program for Appropriate Technology in Health - PATH/ko
- Prototyping/zh
- Pulser pump/da
- Pulser pump/de
- Pulser pump/es
- Pulser pump/fi
- Pulser pump/fr
- Pulser pump/hu
- Pulser pump/it
- Pulser pump/ja
- Pulser pump/ky
- Pulser pump/lt
- Pulser pump/nl
- Pulser pump/pl
- Pulser pump/pt
- Pulser pump/ru
- Pulser pump/sk
- Pulser pump/sr
- Pulser pump/uk
- Pulser pump/zh
- Pure plant oils as fuel/ar
R
- Raised bed gardens/fr
- Raised bed gardens/pl
- Raised bed gardens/zh
- Reduced concentration oral rehydration solution/es
- Releasing your content on Appropedia/my
- Resilient communities/zh
- Respiratory illnesses/ar
- Retained heat cooker/es
- Retained heat cooker/fr
- Retention basin/es
- Rocket stove/bg
- Rocket stove/bs
- Rocket stove/cs
- Rocket stove/de
- Rocket stove/el
- Rocket stove/es
- Rocket stove/fr
- Rocket stove/hi
- Rocket stove/id
- Rocket stove/it
- Rocket stove/ja
- Rocket stove/ko
- Rocket stove/pl
- Rocket stove/pt
- Rocket stove/ru
- Rocket stove/sv
- Rocket stove/ta
- Rocket stove/th
- Rocket stove/tr
- Rocket stove/uk
- Rocket stove/vi
- Rocket stove/zh
- Ropeway in the Himalayas/hu
- Ropeway in the Himalayas/zh
- Rural Electrification Systems/es
- Rural Electrification Systems/fr
- Rural Electrification Systems/tr
S
- Sawdust stove/bg
- Sawdust stove/cs
- Sawdust stove/fr
- Sawdust stove/hi
- Sawdust stove/id
- Sawdust stove/ja
- Sawdust stove/pt
- Sawdust stove/ta
- Sawdust stove/tr
- Sawdust stove/zh
- Secondary wastewater treatment/ar
- Secondary wastewater treatment/es
- Secondary wastewater treatment/id
- Secondary wastewater treatment/vi
- Secondary wastewater treatment/zh
- ShareMo/pt
- ShareMo/zh
- She-ba low cost water filters for rural households/ko
- She-ba low cost water filters for rural households/vi
- Shelters/tr
- Shoebox size vermicompost/hi
- Shoebox size vermicompost/pl
- Six ways to die/pl
- Six ways to die/ru
- Six ways to die/tr
- Soap/es
- Soap/ko
- Solar cell/pl
- Solar dehydrator/ar
- Solar dehydrator/de
- Solar dehydrator/es
- Solar dehydrator/ja
- Solar dehydrator/ko
- Solar dehydrator/nl
- Solar dehydrator/pt
- Solar dehydrator/zh
- Solar drying in Uganda/ar
- Solar drying in Uganda/nl
- Solar power tower/ar
- Solar power tower/es
- Solar power tower/hi
- Solar power/es
- Solar power/zh
- Solar-Destillierapparat/en
- Solar-Destillierapparat/es
- Standard bicycle with pedal power attachment/it
- Standard bicycle with pedal power attachment/pt
- Stirling motor/cs
- Stirling motor/de
- Stirling motor/es
- Stirling motor/fr
- Stirling motor/hu
- Stirling motor/it
- Stirling motor/ja
- Stirling motor/ko
- Stirling motor/pt
- Stirling motor/ru
- Stirling motor/sr
- Stirling motor/tr
- Stirling motor/uk
- Stirling motor/vi
- Stirling motor/zh
- Subsurface flow constructed wetland for greywater/ca
- Subsurface flow constructed wetland for greywater/es
- Subsurface flow constructed wetland for greywater/id
- Subsurface flow constructed wetland for greywater/pt
- Subsurface flow constructed wetland for greywater/uk
- Subsurface flow constructed wetland for greywater/zh
- Superadobe project/fa
- Superadobe project/ru
- Superadobe project/tr
- Sustainable design/ja
- Sustainable design/ko
- Sustainable design/zh
T
- The IPAT Equation: How to conceptualize the multiple factors that create environmental degradation/ko
- The Transition Handbook - free edit version/talk tracker/ko
- Thermal curtains/es
- Thermal curtains/hu
- Thermal curtains/ja
- Thermal curtains/ko
- Three sisters agriculture/es
- Thrivability/es
- Thrivability/ja
- Thrivability/ko
- Thrivability/nl
- Thrivability/ru
- Thrivability/th
- Thrivability/zh
U
- Umbrella solar cooker/fa
- Umbrella solar cooker/ko
- Urine/te
- Appropedia:US federal government publications and public domain/es
- Appropedia:US federal government publications and public domain/ja
- UsefulChem/pt
- Appropedia:Using images in the public domain/How the search is built/th
- Appropedia:Using images in the public domain/Searching Gutenberg.org/ja
- Appropedia:Using images in the public domain/Searching Gutenberg.org/pt
- Appropedia:Using images in the public domain/Searching Gutenberg.org/ru
- UTC Solar Absorption Refrigeration/es
- UTC solar water pasteurizer/id
- UTC solar water pasteurizer/ko
V
W
- WAPI (Water Pasteurization Indicator)/es
- WAPI (Water Pasteurization Indicator)/id
- WAPI (Water Pasteurization Indicator)/ko
- WAPI (Water Pasteurization Indicator)/ru
- WAPI (Water Pasteurization Indicator)/zh
- Wastewater treatment effluent/ms
- Wastewater treatment effluent/tr
- Water pumps/ar
- Water pumps/es
- Water pumps/id
- Water pumps/ja
- Water pumps/ko
- Water pumps/uk
- Water pumps/zh
- Winplot/es
- Worldbike/zh