What are some websites that is reliable that would give me information about plastic bags?

I want information about how plastic bags are produced and how do people calculate the statistics. Please give me all the websites that are reliable. Thank you.What are some websites that is reliable that would give me information about plastic bags?http://www.patentstorm.us/patents/618693鈥?/a>

http://www.freedomplasticbags.com/extrud鈥?/a>

http://www.angelfire.com/wi/PaperVsPlast鈥?/a>What are some websites that is reliable that would give me information about plastic bags?http://en.wikipedia.org/wiki/Plastic_bag



http://en.wikipedia.org/wiki/Plastic_sho鈥?/a>



http://business.scotsman.com/business/Hi鈥?/a>



http://news.nationalgeographic.com/news/鈥?/a>What are some websites that is reliable that would give me information about plastic bags?(Wikipedia is NOT a reliable source.)





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