"GladďTrash Bags." October 30, 2002 <http://www.glad.com/trashbags.html>.
"History of plastic." October 30, 2002 <http://www.americanplasticscouncil.org/benefit/about_plastic/history.html?src=over>.
"Major Plastic Materials." Microsoft Encarta Encyclopedia Deluxe. 2001 Ed.
Richardson, Terry L. "Plastics and Environments." Microsoft Encarta Encyclopedia Deluxe.2001 Ed.
"Tensile Test." November 6, 2002 <http://www.enged.com/students/matpro/matprosl.html>.
Warriers, Gopikrishna S. "Scottish Co.
Offers Tech." <http://proquest.umi.com/pqdweb?did=000000207932351&fmt=3deli=1&mtd=1&1dx=1&sid=2&rqt=309>.
I could never be able to conduct this experiment without all of the help I received from many people. I would like to thank my mom for all of the car rides back and forth from Shields, for buying my board, journal, page covers, and the garbage bags. Thank you also for encouraging me to keep going, and for helping me when I got stressed. A big thank you to Scott McGreggor for helping me prep my test pieces, and the actual testing. Thank you for all the explaining, phone calls/ emails, and all of his time! Thank you Mr. Newkirk, for all of the spelling adjustments, the proofreading, the time, sitting down and helping me with my graphs, and for all the suggestions. Thank you to Mrs. Helms for all the answers to the questions Mr. Newkirk could not answer because he was to busy, and for the opinions she gave me about my display colors.
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