As container shipping has evolved over the years, so have the methods of carrying cargo and types of cargo being carried.. Open Tops and Flat Racks are two of the container types that are used in the carriage of (OOG) Out of Gauge cargo (also called (ODC) Over Dimensional Cargo in certain countries)..
This type of carriage has its own individuality and one unique feature of this type of carriage are the Lost Slots which occurs in the carriage of this type of cargo and this is explained in detail in this article..
Sounds like a trick question..?? It could be..!! Generally open top and flat rack containers are used for loading cargo that are difficult to load through the doors of a standard gp container are above the dimensions of a standard gp container (out of gauge) Below is the external view of an open top and a flatrack.. (Click on the … Read more here..