根据VDI准则3590，“根据预定义的需求信息从供应的总量中对某些子集进行编译”。子集由根据订单从产品范围编译的项目组成。在制造过程中，要分拣的子集包括原材料，零件，组装单元以及加工所需的工具和设备。

        According to VDI Guideline 3590 the "compilation of certain subsets from a supplied total quantity according to predefined demand information". The subsets consist of items that compiled from the range of products according to an order. In manufacturing the subsets to be picked comprise raw materials, parts, assembly units, as well as the tools and devices required for processing.