For a FOB contract, once the goods are shipped on board the vessel at the port of shipment, the buyer takes all the risks of the goods. So he can not lodge any claims against the seller since that time on.
【单选题】In the scan line fill algorithm, suppose for scan line y=4 a pair of intersection points is computed, and their x coordinates are 2.1 and 5.8 respectively. What region should we fill?