Background[edit | edit source]
- Messiah College Collaboratory Pump Project
- ECHO, Inc. Appropriate Technology Intern
Subject areas[edit | edit source]
- Water pumps
- Stirling engines
- Solar dryers
- Moringa leaf powder
- Treadle or pedal powered shop tools
| Name | Joseph Longenecker |
|---|---|
jblongen gmail com |
|
| Registered | 2010 |
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