The U.S. special line means that the loss must be directly caused by the common average loss. Indirect losses, such as shipping loss, demurrage loss, and market price drop, cannot be counted as common average loss. Special means that the loss must be abnormal. Expenditures to be made during normal navigation shall not be counted as common average. Yi'an · Daidan US special line 2) The scope of common average loss Erxian ('common average loss sacrifice. Common average loss sacrifice refers to the reasonable loss of cargo and other property caused by the rescue of cargo, etc. including: Ren ① abandon the cargo The loss of the cover. ②The loss caused by the fire on the ship. ③The loss of the abandonment of the damaged part. ④The loss caused by voluntary stranding. ⑤The loss of damage to the machine and the boiler. Dedicated line