Pictures

Solar panel 1 – Construction:

Solar panel 1 – Final unit:

Solar panel 2 – Placing the cardboard:

Solar panel 2 – Detail of the unit:

Solar panel 2 – Cooking with sun in the jungle (stage 1; using aluminium foil):

Solar panel 2 – Detail of the unit (stage 1)

Solar panel 2 – Placing aluminium panels (stage 2):

Solar panel 2 – Detail of the unit (stage 2)

Solar panel 2 - Final unit:

Solar oven – Detail of the unit:

Solar oven – Final unit:

Solar oven – Final unit:

Solar heater – Detail of the heating element:

Solar heater – Detail of the heating element:

Solar heater – Detail of the heating element:

Solar heater – Final unit:

Pilot plant digester – Detail of the unit, barometer:

Pilot plant digester – Final unit:

Kitchen plant digester – Digging the hole:

Kitchen plant digester – Securing the hole:

Kitchen plant digester – Extending the plastics:

Kitchen plant digester – Making the digester:

Kitchen plant digester – Leak test 1:

Kitchen plant digester – Leak test 2:

Kitchen plant digester – Ready for loading:

Kitchen plant digester – Loading:

Kitchen plant digester – Final unit: