21.   Polyethylene plastic is also an effective vapor barrier, used when the paper is not available, and sometimes in conjunction with the paper.

22.   PVC plastic is a major factor in emissions of the carcinogen dioxin when waste is incinerated.

23.   Replacing plastics will be an entire family of biopolymers made from cornstarch.

24.   Sondra Wellmerling, director of marketing North America for Ray Ban, agrees with Lay that black and turquoise plastics are still all-important.

25.   The new plastic is simple to fix.

26.   The plastic could be useful for electronic components where repeated heating and cooling can cause it to become brittle and crack.

27.   The plastic is a biodegradable one, a member of a family of compounds called PHAs.

28.   The plastic is so hot it bubbles, which at least makes Noelia and Jesse laugh.

29.   The plastic is more real, because it is temporary.

30.   The water you see under the plastic shows that the plastic is doing just that.