11.   If you use only plastic, it will burn the leaves when cold.

12.   It also will be easier for the bus system if more riders use their plastic, reducing the amount of actual money being placed in the system.

13.   Many of those who are spending are using plastic.

14.   Millions of Americans use plastic as a convenient alternative to carrying cash or as a way to earn bonuses, such as airline frequent-flier points.

15.   Ms. Markarian, who lives in Santa Rosa, Calif., uses clear plastic like Lucite for her book-cover-shaped holder.

16.   Never use plastic to cover your plants.

17.   Only transparent or clear plastic can be used.

18.   Plastic is used because it is long lasting and is tougher than burlap in transport and handling.

19.   Prices for polyethylene and polypropylene, plastics commonly used in packaging and household goods, also rose from year-ago levels.

20.   Still other works used burned plastic, which evoked associations with the human figure, suggesting scars and wounds.