Because the calculated volume in advance, found Cabinet fit all pallets of goods, therefore notice 602 of the 673 factories and goods, so that's what mix of goods.
Because the volume calculated in advance, found that the cabinet does not fit all playing pallets of goods, so notice to 673 factory 602 goods and goods together, the situation is so mixed goods will occur.
Because the volume is calculated in advance, not found the cupboard all pallets of goods, so the notice 602 of the goods to 673 factories and goods, so will the occurrence of mixed goods.