21.   Virgin plastics are made from oil, recycled plastics from trash, so logic would suggest that recycled materials would be cheaper.

22.   Phenol is used mostly in making plastics but also as a disinfectant in mouthwash and other products.

23.   Automotive Trim makes plastics including cockpits, instrument panels, door trim and other components.

24.   He said the Kansas State research with soybean protein involves chemistry that dates back decades but was adapted to focus on making plastics from current Kansas crop varieties.

25.   Langer said he holds a patent on the technique to made the plastic with shape memory.

26.   Not until this century did inventors began to make plastics completely from synthetic materials.

27.   Sun and her research team are making plastics from both soybean proteins and grain starches.

28.   The chemical is used mostly in making plastics but also as a disinfectant in mouthwash and other products.

29.   What makes plastic plastic is the molecules -- made from atoms of carbon, hydrogen, oxygen and other stuff.

30.   Ethylene and other petrochemicals are the basic building blocks for making plastics, fibres and packaging materials as well as automotive and electronic products.

v. + plastic >>共 150
use 14.74%
make 10.58%
mold 3.21%
remove 3.21%
melt 2.24%
include 2.24%
produce 2.24%
soften 1.60%
put 1.28%
reinforce 1.28%
make + n. >>共 695
decision 5.09%
sense 2.96%
progress 2.62%
money 2.37%
mistake 2.08%
change 2.05%
way 1.91%
comment 1.73%
difference 1.71%
statement 1.61%
plastic 0.02%
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