6Its important to learn about protecting our environment. Here is a 5R rule for us:1. ReduceIf you want to reduce waste you should use things wisely (明智地). A large number of trees are being cut dow

单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级精策管理物料管理主讲：徐天一物料管理的意义物料管理即指计划协调并配合各有关部门以经济合理之方法供应各单位所需之管理方法经济合理包括5R及3个不5R： 适时(Right time) 适质 (Right quality) 适量 (Right quantity)