
Visitors walking past an exhibit projecting cigarettes burning in Beijing Gallery

China, Beijing Cigarette Butts pictured—Scientists say that they have discovered a way to utilize the most abundant trash that is discarded everyday to be recycled to protect steel pipes from rusting.
The remains of used cigarettes soaked in water can help guard against corrosion of steel pipes commonly used in the oil industry according to Jun Zhao, a Ph.D. student at Xi’an Jiaotong University, Shanghai
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