金牌不含汞，银牌和铜牌所用的材料有30%是再生材料，奖牌绶带所用的塑料有一半来自回收的塑料瓶。
The gold medals are free from mercury, the silver and bronze medals are made from 30% recycled materials, and half of the plastic in their ribbons is from recycled plastic bottles.
金牌不含汞，银牌和铜牌所用的材料有30%是再生材料，奖牌绶带所用的塑料有一半来自回收的塑料瓶。
The gold medals are free from mercury, the silver and bronze medals are made from 30% recycled materials, and half of the plastic in their ribbons is from recycled plastic bottles.
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