As calculation volume of goods found cabinet cannot put down all the pallets of goods, therefore notice 602 of the 673 factories and goods, so that's what mix of goods.
Because the calculation of cargo volume found in the cupboard can not put down all playing pallet goods, so notice to 673 factory 602 cargo and goods together, it will happen in case of mixed cargo.
Because the goods volume calculation found that the cabinet can not put down all pallets of goods, so the notice 602 of the goods to 673 factories and goods, so will the occurrence of mixed goods.