User data
Name Joseph Longenecker
Email jblongen@gmail.com
Registered 2010
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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