31.   The awards were still wrapped in plastic, padded with plastic foam and in individual white boxes.

32.   The buoys are about three feet long and made mostly of plastic foam with a pointy end to get them to sit upright in the water.

33.   The chlorofluorocarbons were earlier used in spray bottles, refrigerators and plastic foams and were considered environmentally ideal since they were not toxic and could not explode.

34.   The future of brain surgery just might be strapped around a plastic foam bust in an operating room at Kettering Memorial Hospital.

35.   They sat on plastic foam boards on a cement floor.

36.   Until they were shown to be dangerous to the environment, chlorofluorocarbons were frequently used in aerosol bottles, refrigerators and plastic foams.

a. + foam >>共 176
plastic 9.73%
white 7.30%
polyurethane 7.30%
sticky 3.78%
chemical 2.97%
new 1.35%
polystyrene 1.35%
acoustic 1.35%
flame-retardant 1.35%
rigid 1.35%
plastic + n. >>共 1296
bag 17.24%
wrap 5.70%
sheeting 3.48%
container 3.05%
bottle 2.62%
bullet 2.33%
sheet 2.26%
cup 1.83%
chair 1.38%
box 0.98%
foam 0.40%
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