In nowadays, Logicstic becomes very popular and very important because of ecommerce on Facebook and Youtube . Containers, Boxes in Harbor or Factory is stacked one by one. Each box we have a number in that like 1, 5 , 7 and each number just appeal one time, we can have many box like this :
Number in box is the priority to deliver first ( for example 1 have to deliver before deliver 5 and 11 ). So the plan is how to arrange the box in reception yard that can make them to arrange to make carrier to deliver easily.