What food is there on the asphalt pavement?

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Professor Lu Songtao from the School of Transportation Engineering of Changsha University of Science and Technology announced a new technology, which turned the high-temperature resistant crayfish shells into valuables and mixed them with asphalt to make high-temperature resistant building materials.

Crawfish!

According to the R&D team, the technology of cleaning crayfish shells, grinding them into powder and adding asphalt seems simple, but it has been proved by a lot of experiments. At present, this technology has been published in internationally renowned cleaner production magazines, and it has also applied for a national invention patent.