Bitumen. Bitumen is a brown to black semi-solid highly viscous form of petroleum. It is present in some natural deposits, such as asphalt lakes, but can also be a product of refining. It's primary use is in road-surfacing and roofing material where it is mixed with gravel.
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Creative#:
TOP11719540
Source:
達志影像
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RM
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須由TPG 完整授權
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No
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