Most large oil tankers simply carry the oil from one port to another or from an offshore installation to a depot.
Oil Tanker is used to carry oil
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!
a tanker
Usually they carry crude oil. In general they are built to carry bulk liquids
4 or 5$
Road tankers are large lorries that carry large tanks that can hold bulk liquids or powder. A milk tanker will carry milk. And an oil tanker will carry petroleum products - petrol, diesel, oil, etc.
designed to move oil around the world
Pipelines, Oil tankers (Ships), Oil Drums, Road Tankers.
oil tankers are dangerous to humans by the pollution of the environment
Legally no, as fire arms on a ship transporting millions of gallons of fammable fuel can be dangerous.
with oil
no........
Oil tankers do not sail near Antarctica: it's not on the way to or from anywhere where oil is transported.