1. Write an essay on polymeric materials that are used in the packaging of food products and drinks. Include a list of the general requisite characteristics of materials that are used for these applications. Now cite a specific material that is utilized for each of three different container types and the rationale for each choice.
2. Write an essay on the replacement of metal- lic automobile components by polymers and composite materials. Address the fol- lowing issues: (1) Which automotive com- ponents (e.g., crankshaft) now use polymers and/or composites? (2) Specifically what materials (e.g., high-density polyethylene) are now being used? (3) What are the rea- sons for these replacements?