| 31. | For specialized polyester-based materials the recycling process is significantly different.
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| 32. | Care should be taken to avoid melting excessive base material.
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| 33. | Mats are, with very few exceptions, made of paper-based material.
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| 34. | Care must be taken to ensure the base material is not gouged or distorted.
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| 35. | The floating screed was supported by runners that travelled on the prepared base material.
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| 36. | Old asphalt and base materials are pulverized using a specialized machine called a reclaimer.
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| 37. | Sintered ultra high molecular weight polyethylene materials are used as ski and snowboard base materials.
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| 38. | The shortest wavelength lasers rely on gallium nitride-based materials.
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| 39. | Caliche is widely used as a base material when it is locally available and cheap.
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| 40. | Once petroleum costs go up, the value of the bio-based material will become more competitive.
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