Ogniwa fotowoltaiczne
0:33
Added: 3 years ago
From: vladcz
Views: 8,712
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  • zal zara głupie prezudenty wymysla jakies rachunki za to ze masz cos takiego jakis panel sloneczny na dachu albo wiatrak

    themo97 1 year ago

  • Promujmy naukę :-)

    razdwa3240 1 year ago

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