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On the road again .
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The Revolution of Plastic Bag Production. If we travel back to when plastic bags were first produced and look at what chemicals and machinery were available, will the production and product of the bags be less harmful to the environment? Wednesday, February 16, 2011. The History of Plastic Bags. This is the structure of polyethylene. This is what plastic bags are made of today. This is a structure of polylactic acid. This is what we would substitute for polyethylene in the production of plastic bags.
Watch the excusive video from Plastic Galaxy! .
Este obra está bajo una licencia de Creative Commons Attribution-NonCommercial-NoDerivs 2. Queridos lectores, les anuncio que me mudé de sitio. Revista El Topo, Año 1. Mi nueva columna, Lenguaje en crisis. De los males el peor. De los días, la noche. Del café, lo amargo. De la noche, la penumbra.