Miscellaneous Practical Exercises
PE 40: Engineer and Construct or Assemble a Gasifier
http://www.driveonwood.com/library/fema-gasifier
http://www.gottagodoityourself.com/how-to-connect-a-wood-gasifier-to-an-engine
https://www.youtube.com/watch?v=8un7W2QpZag
https://www.youtube.com/watch?v=9VcozDpQBMg
https://www.youtube.com/watch?v=t0n_3D5lUB8
http://www.gottagodoityourself.com/what-is-the-best-fuel-for-a-wood-gasifier
http://www.stakproperties.com/index.php?p=1_15_Gasification-Solutions
https://www.youtube.com/watch?t=2&v=8YieLQOmbR0
http://www.woodgasifierplans.com
https://www.youtube.com/watch?t=64&v=a6e3CprVTi8
https://www.youtube.com/watch?v=X3KipK49v7g
http://www.permies.com/t/27597/biogas/LEAF-Generator-rugged-wood-biomass
http://www.stakproperties.com/index.php?p=1_15_Gasification-Solutions
https://www.youtube.com/watch?t=2&v=8YieLQOmbR0
http://www.woodgasifierplans.com
https://www.youtube.com/watch?t=64&v=a6e3CprVTi8
https://www.youtube.com/watch?v=X3KipK49v7g
http://www.permies.com/t/27597/biogas/LEAF-Generator-rugged-wood-biomass
PE 41: Make Biodiesel Fuel
http://chemistry.about.com/od/chemistryhowtoguide/a/makebiodiesel.htm
https://www.youtube.com/watch?t=8&v=qi1cqmvio5Y
https://www.youtube.com/watch?v=7Y9W_DUnIcE
https://www.youtube.com/watch?v=sNLdQmXtIO0
https://www.youtube.com/watch?v=9-SaPRccSDE
http://brinkoffreedom.net/homesteading/alternative-fuels-diesel-engines
http://www.wikihow.com/Make-Bio-Diesel
PE 42: Engineer and Build or Assemble a Rocket Stove
http://www.barefootandgreen.com/2014/01/heavy-duty-rocket-stove.html
http://biolitecampstovereview.com/heavy-duty-grover-rocket-stove/
https://www.youtube.com/watch?t=34&v=r66jjYdBmg8
http://www.instructables.com/id/Fabricating-a-Heavy-Duty-Rocket-Stove
http://www.thebugoutbagguide.com/2014/07/02/best-rocket-stove-diy/
PE 43: Make Vinegar
http://recipes.howstuffworks.com/how-vinegar-works2.htm
PE 44: Make Lye (Potassium Hydroxide)
https://www.youtube.com/watch?v=MsfskVr_raY
http://www.frontierfreedom.com/index.php?option=com_content&task=view&id=57
http://chemistry.about.com/od/makechemicalsyourself/fl/How-To-Make-Homemade-Lye.htm
http://livetheoldway.com/making-lye-from-wood-ashes/
PE 45: Make Soap
http://soapmakingmommy.blogspot.com/2010/07/is-it-possible-to-make-soap-without-lye.html
http://www.marthastewart.com/1061291/soap-making
http://www.cooks.com/rec/doc/prt/0,1621,147187-255198,00.html
PE 46: Make Detergent
http://workathomehomeschoolingmom.com/2011/02/how-to-make-homemade-powdered-laundry-detergent
https://www.youtube.com/watch?t=3&v=5GNUTeBbzU0
PE 47: Make an Off-grid Washing Machine
https://www.youtube.com/watch?t=3&v=5GNUTeBbzU0
https://www.youtube.com/watch?t=76&v=CaBGHrcfMys
PE 48: Make Candles
http://www.ehow.com/how_7726546_make-candles-scratch.html
http://www.stepbystep.com/How-to-Make-Your-Own-Candle-Wicks-174750
https://www.youtube.com/watch?t=4&v=XVUt1MYC_lk
https://www.youtube.com/watch?v=XtpAExy69pg
http://www.offthegridnews.com/how-to-2/old-time-techniques-for-modern-candlemaking
PE 49: Make a Solar Water Heater
http://www.builditsolar.com/Projects/WaterHeating/water_heating.htm
http://www.motherearthnews.com/green-homes/build-a-passive-solar-water-heater-zmaz07onzgoe.aspx
http://www.peakprosperity.com/wsidblog/88483/build-solar-powered-water-heater
http://www.motherearthnews.com/green-homes/build-a-passive-solar-water-heater-zmaz07onzgoe.aspx
http://www.hot-water-heaters-reviews.com/build-solar-water-heater.html
https://www.youtube.com/watch?t=118&v=VZxBQRyfKzo