Tanker

A tanker is a cargo vessel that specializes in carrying a liquid cargo.

Most tankers are employed carrying a petroleum product, including crude oil, gasoline, jet fuel, or asphalt. Tankers can be used to carry liquid water. Specialized insulated tankers carry super-cold liquids, like liquefied natural gas, or methane, liquid nitrogen, liquid oxygen.

the largest tankers are the largest ships at sea, and may require five miles to stop.