OOG, which is short for OUT OF GAUGE, refers to thecontainer specially designed and equipped in the structure and equipment of thecommon container to meet the demand for the transport of special cargoes. Thecommonly-used container types are OPEN TOP CONTAINER (OT) and  FLAT RACK CONTAINER (FR). When handling OOG,the weight, size, loading and unloading requirements, etc. of cargoes should beconfirmed at first. If it is FR, attention should also be paid to thefeasibility of the land transport process, and the accurate accounting of feesshall be made in advance.