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The technical Q&A forum
for humanitarian &
development workers
 
Questions
All Unanswered
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Ahana Shrestha | 18.06.2018
Is there any simple design to construct the bio digester to produce gas for fuel, heat and electricity?
2 answers
235 views
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Ahana Shrestha | 07.06.2018
Imogen needs some support in her 3D design project. Can anyone help her?
1 answer
107 views
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Ahana Shrestha | 24.05.2018
How much potassium metabisulfite added to 100 liter mango drink solution( containing 10 kg mango pulp).
no answers
180 views
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Ahana Shrestha | 04.05.2018
Can anyone help Tim on distilling lemongrass essential oil.
no answers
72 views
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Ahana Shrestha | 23.04.2018
Can you please help Swithun on off-grid photo voltaic micro grids?
1 answer
99 views
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Abir | 23.04.2018
Disability & Disaster Recovery, any good practice?
2 answers
1k views
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Binaya | 19.04.2018
Has anyone done any decent evaluation of use of solar lights/chargers in emergencies?
1 answer
10k views
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William Berbon | 19.04.2018
Which criteria should I consider to select a water source during an emergency?
3 answers
1k views
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dalford | 19.04.2018
Key physicochemical parameters for surface water - volcanic soils post earthquake
1 answer
81 views
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Sarah.Begg | 30.03.2018
Where can I access technical documents on small scale irrigation?
1 answer
95 views
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Bob Prothero | 16.03.2018
Tiger worm Toilets
1 answer
100 views
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Ahana Shrestha | 15.03.2018
Want to know about plastic recycling?
    1 answer
    349 views
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    Ahana Shrestha | 15.03.2018
    Wants to know about the clean cooking technology?
      no answers
      691 views
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      Ahana Shrestha | 22.02.2018
      How we can use the waste of green coconuts into valuable nutrient for soil?
      3 answers
      5k views
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      Amy Jennings | 22.02.2018
      I am in a situation with low water availability, what sanitation options can I use?
      1 answer
      2k views
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      Grace | 22.02.2018
      How can I promote safe motherhood and optimal maternal nutrition at the community level?
      1 answer
      69 views
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      Lizzie Babister | 22.02.2018
      Following an earthquake many families cannot rebuild in the urban areas until their houses are demolished. What is the safest way to do this?
      1 answer
      374 views
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      Lizzie Babister | 22.02.2018
      We are a small NGO working with a village community when the earthquake struck. We want to distribute plastic sheet but we need advice on how best to procure it.
      1 answer
      162 views
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      Lizzie Babister | 22.02.2018
      We are supporting family housing reconstruction using conditional cash transfers. Families can also contribute labour and materials. Unfortunately there are some members of the community who are too vulnerable to manage this process. What can we do?
      1 answer
      152 views
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      Lizzie Babister | 22.02.2018
      We will soon be moving from our emergency shelter programme to repair and reconstruction of family homes. How can we identify the specialist staff we will need to design and monitor the programme?
      1 answer
      100 views
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