How do cruise ships refuel?

What are the uses of a weighing boat? If you see a white marker with an orange crossed diamond and black lettering in the ocean what does that mean? How many liters is the average bath tub? What year is montgomery wards sea king outboard boat motor GG8960A? Can you bring instant noodles on a cruise ship? Where is drain plug on 1987 125 force lower unit? What would be the best way to build a penny boat? How long does it take to sail from NY to Bermuda? A submarine submerged at the depth of -35.25 meters dives an additional 8.5 meterswhat is the new depth of the submarine? Boating accidents involving sportsman is usually a result of what? What protects boats from sea waves? What is the best way to check for gas fumes after fueling your pwc? Does a self inflating raft require oxygen? Why is a back-fire flame arrestors required on an inboard mounted gasoline engine? Why was sailing invented? How many btu's for hot water? What should you do if your small craft capsizes in the swift water? Where can you find parts for a 6 gallon fuel tank for a 1979 Johnson 9.9 outboard? What is an aft on a sailboat? How did the galleon work?