Последние добавленные видео:
natural-rubber-processing
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5 years ago
64516 5 years ago 8:25Rubber manufacturing process|Natural Rubber Production|#INSTANTMADE
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177681 1 year ago 12:32The Fascinating Process of Harvesting Natural Rubber from Hevea Trees.
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758750 3 years ago 5:25How It's Made: Synthetic Rubber
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