Withdrawal was associated with a similar demand and long lifetime. Therefore, the assumption that demand depends on the workpiece material properties similar to No. 6 .
Picking is correlated with age and demand lifetime nearby, so the assumption that ชิ้นงานที่ demand have properties similar to the workpiece. The number 6 .
Picking is related to the demand and has a similar lifetime. Therefore, sommutithan said that, depending on the demand, there is a similar piece of property. No. 6