Hi-Cone carriers

ITWDegradable Hi-Cone Carriers, (1983) Illinois Tool Works, Itasca, IL, p. 15. 

Solutions to the solid waste disposal problems facing the world will include recycling, incineration and land fill where feasible. However, in those instances where collection is prohibitive such as roadside and beach littering, and on the oceans and other large bodies of water, photodegradable plastics will remain a viable solution and will find additional applications, repeating the success of E-CO as the material of choice for the Hi-Cone carrier for beverage cans. 

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