Everything would still be impossible without the ships and other kinds of vessels to bring us to the ocean
. We do need transportation but have you ever thought of the tiny details on the ship you boarded? There are machineries installed and none of those are accessories. They are needed to keep the ship working at its optimum level. Since they are just machines and not people, technicians must have to keep things in check for safety purposes. This is all covered under marine technology. Somebody has to take care of the fine points.