The freeboard marks are made of the steel plate, welded and painted on both sides of the ship.
干舷标志由钢板制成，焊接在船上，并且涂漆。
2
This ship is an aluminum alloy welded catamaran passenger vessel, using symmetrical semi-hull, single deck, upper lower cabins and propeller driven.
本船为铝合金焊接双体客船，采用对称片体，单层甲板，设上下客舱，螺旋桨推。
3
During the ship building and repairing, the electrical current will cause electrical corrosion to the hull of ship because of the unsuitable connection between the welding machine and welded parts.