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.
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。
the variations of death rate for cancers of workers in an ordnance factory in 42 years based on long term registration data were analyzed.