Ropa - PowerPoint PPT Presentation

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Ropa

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Ropa Ropa ( surov olej ) je hlavn m zdrojom paliva a organick ch chemik li . Je to lepkav , p chnuca, tmavohned kvapalina. Ropa je zmesou obsahuj cou ... – PowerPoint PPT presentation

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Provided by: Le7
Learn more at: http://www.gjar-po.sk
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Tags: nylon | ropa | rope

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