11.   It was made of plastic foam.

12.   Kenneth Dart, whose family brought us plastic foam cups, traded in his U.S. passport to become a proud citizen of Belize.

13.   Most of the environment we come into contact with is aluminum and plastic foam.

14.   Pierce noted that previous experiments at lessening such impacts have included the use of tire walls, plastic foam blocks and Armco fencing.

15.   Sell plastic foam trays to the mess hall.

16.   Sealed Air Corp., a Saddlebrook, New Jersey maker of plastic foam packaging products, expects overseas demand to outpace domestic demand next year.

17.   She built a plastic foam base and posted the notes around it.

18.   Surgi presented small plastic foam cups to the Navy and Newport News Shipbulding Co. to commemorate the finding of the carrier.

19.   The plastic foam balls are spray-painted and then screen printed by hand.

20.   The products giving rise to all this confusion are chlorofluorocarbons, or CFCs -- organic compounds used as refrigerants and in the production of plastic foam.