When Packaing quantity don't reach max, empty is buried by buffer material.
当包装数量不能达到最大时，剩余空隙部位采用辅助材料填满。
Apart from foam packaging, there is also kraft paper compactor for using kraft paper as buffer material.
除了泡绵之外，还有将牛皮纸变成有缓冲空间比较紧实一点的包材。
According to the reports, the packaging waste has taken 30% of all the plastic rubbish, So the buffer material is the most important.
据报道，在所有的塑料垃圾中，包装废弃物占了30%之多，而缓冲材料乃是重中之重。
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