An oiler.
a tanker
Messenger boats are boats that carry orders.
a tanker
boats are important because they use them to carry ccargo from place to place
--Oil spills/leakage from boats. --Intentional dumping of oil into rivers/watersheds-which carry the water into the river. --From oil on streets-Gasoline accumulates on the hard, unpermeable surface of pavement, and when it rains, this oil is washed into the ground and to creeeks/rivers.
dont know dont care
Some vessels carry boats so there is no lower limit.
War boats were called triremes.
The viking boats were called tall ships
Any kind; tankers carry crude oil and oil products. Tankers that carry oil products are often called product carriers. Specialist tankers carry vegetable oils, sewage and water. Not all at once of course!
The small boats of Venice are called gondolas.
Boats or ships
The people or cargo that they carry.