仓储与科学这本书里详细描述了拣货的数据，围绕这些数据进行分析和改善是最佳的途径。
Order-picking typically accounts for about 55% of warehouse operating costs; and order-picking itself may be further broken like this [21]:
Activity | % Order-picking time
Traveling | 55%
Searching | 15%
Extracting | 10%
Paperwork and other activities | 20%
