| 41. | With three amino substituents melamine is a precursor to commercial resins.
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| 42. | Because of high resin content, it burns even when wet.
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| 43. | Resin canals are found in both leaves and the seed cones.
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| 44. | Notable local products include virgin olive oil and natural pine resin.
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| 45. | Compaction is through fiber tension and resin content is primarily metered.
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| 46. | No composite wood or agrifiber products contain urea-formaldehyde resins.
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| 47. | The bark is scaly and gray-brown with resin blisters.
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| 48. | But resin casting allows artists to produce toys in small numbers.
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| 49. | Spinifex resin was an important adhesive used in spear-making.
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| 50. | Specialized epoxy resins have been developed to customize lifetimes and viscosity.
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