Changes

==Market info==

==Market info==

One of the North American [http://www.peccanada.com/plastic-processing-equipment/extruders.html blown film extruder suppliers is Plastic Equipment Co.]. See also [[PEC - Plastic Equipment Co. / Blown Film Extruder Lines]]  

One of the North American [http://www.peccanada.com/plastic-processing-equipment/extruders.html blown film extruder suppliers is Plastic Equipment Co.]. See also [[http://mywikibiz.com/Directory:PEC_-_Plastic_Equipment_Co._/_Blown_Film_Extruder_Lines PEC - Plastic Equipment Co. / Blown Film Extruder Lines]]  

<ref>{{Cite book| url=http://www.amazon.com/gp/redirect.html?ie=UTF8&location=http%3A%2F%2Fwww.amazon.com%2FPetroleum-Refining-Technology-Economics-Fifth%2Fdp%2F0849370388%2Fsr%3D8-3%2Fqid%3D1166735153%3Fie%3DUTF8%26s%3Dbooks&tag=omnimediaguid-20&linkCode=ur2&camp=1789&creative=9325| title=Petroleum Refining: Technology and Economics | publisher=Marcel Dekker| pages=19/488| format=hardcover| accessdate=2006-12-21}}</ref>

<ref>{{Cite book| url=http://www.amazon.com/gp/redirect.html?ie=UTF8&location=http%3A%2F%2Fwww.amazon.com%2FPetroleum-Refining-Technology-Economics-Fifth%2Fdp%2F0849370388%2Fsr%3D8-3%2Fqid%3D1166735153%3Fie%3DUTF8%26s%3Dbooks&tag=omnimediaguid-20&linkCode=ur2&camp=1789&creative=9325| title=Petroleum Refining: Technology and Economics | publisher=Marcel Dekker| pages=19/488| format=hardcover| accessdate=2006-12-21}}</ref>