Tag: aa asphalt

Shingles, a re-cycled rubber, may save us from our own destruction

Shingles are commonly used for roofs, sidewalks and walls in buildings but also for parking spaces and even the ground in certain regions.The asphalt on these shingled surfaces is usually made from petroleum and often contains heavy metals, and there is concern that these materials may pose a health hazard to humans.But new research from […]

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