How To Make an Aluminium Air Battery | Experiment for Free Electricity This Winter!
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16:05
How To Make an Aluminium Air Battery | Genuine Experiment for Batteries DIY
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20:59
How to Make 12V Battery Charger
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26:09
Testo os Novos SUPER LASERS... Eles vão revolucionar a indústria de máquinas!
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20:39
50,000 RPM in 3 SECONDS ? CRAZY Fast Machine Build with Electric DC Motor
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6:42
Water into Hydrogen - Simple Hydrogen Generator from Carbon Pin
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11:35
Faça uma bateria de ar de alumínio de 4,5v - EP.2
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6:53
Portanto, não jogue fora o carregador de telefone antigo! -Mais do que você pensa
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18:39