Cooling and Heating: Unterschied zwischen den Versionen
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=Cooling= | =Cooling= | ||
====How to Make Cooling Systems==== | ====How to Make Cooling Systems==== | ||
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#[[How to Make a Desert Fridge]] | #[[How to Make a Desert Fridge]] | ||
#[[How to Make a Dry Well]] | #[[How to Make a Dry Well]] | ||
#[[How to Make a Low Cost Cooling System for Bottles and Jar]] | #[[How to Make a Low Cost Cooling System for Bottles and Jar]] | ||
#[[Refrigeration for Developing Countries]] | #[[Refrigeration for Developing Countries]] | ||
