| 31. | Femur cracks are being filled, urethane is being cast to replace missing joints.
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| 32. | Trivex is a urethane based pre-polymer.
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| 33. | Concrete can also be cast into unique and detailed designs using urethane form liner.
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| 34. | Finally, the acyl azide reacts in the normal manner to give the urethane.
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| 35. | Most manufacturers do not recommend waxing urethane finishes because the wax creates a slippery surface.
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| 36. | What about water-based urethane varnish?
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| 37. | Another way : Use a modified urethane foam board instead of fiberglass in the box.
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| 38. | The shoes she decided not to wear are made of thermoplastic urethane and are clear.
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| 39. | Urethane can be made in any color.
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| 40. | In the early 1980s, polyurethane ( " urethane " ) bowling balls were introduced.
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