| 11. | The synthetic polypropylene disperses moisture " and you ventilate.
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| 12. | Its hardware is hidden in its molded fiberglass-reinforced polypropylene frame.
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| 13. | The rope is made of a buoyant material, such as polypropylene.
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| 14. | It consists of hollow copper tubes on a polypropylene thread.
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| 15. | Polypropylene is normally tough and flexible, especially when copolymerized with ethylene.
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| 16. | Polypropylene is used in the manufacture of loudspeaker drive units.
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| 17. | It has now been generally replaced by carbon black-filled polypropylene.
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| 18. | One such difference is the use of a floating polypropylene guide line.
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| 19. | A similar process is used for the synthesis of polypropylene.
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| 20. | Polytetrafluoroethylene, polychlorotrifluoroethylene, polyvinylidene fluoride, and polypropylene show satisfactory resistance.
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