The TRUSTED Water Filterの無料動画を見ましょう

(133 MB) 03 May 2017に追加されました 119 回再生しました 教育 Tutorial Home Tech
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The TRUSTED Water Filter

アニメーションの説明:

Discover how to use common wood charcoal, discarded plastic water bottles, and the sun to transform filthy water into clean, TRUSTED* drinking water (*Turbidity Reduction Unleashes Solar Technology to Eliminate Disease).

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