他能用金属边角余料制造出不同的工具。
无利用价值的边角余料，由海关核定免税或酌情估价征税。
Remnants and wastes of no commercial value left behind in the processing may be wholly or partially exempted from duties and taxes according to the Customs decision.
军工生产弹类时产生的边角余料和废炸药，过去国内外作销毁处理，造成环境污染和经济损失。
In the past, the residues and waste explosives from ordnance factory in the fabrication of home-made bombs are disposed of by burning, which resulted in environmental pollution and economic losses.
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