All submarines were built from steel. Except Bushnell's Turtle in 1776, that was made of wood & leather.
Most submarines are made mainly of steel with bits of many other materials.
steel. (:
materials are made up of element which are too small to see!
Tactical to Practical with Hunter Ellis - 2003 Submarines Miracle Materials Radar was released on: USA: 16 September 2003
All materials are made up of matters called atoms and molecule
Most submarines were made of steel.
Both sides, the Allies and the Axis, had submarines when WW2 started.
no it is made up of other materials
Steel or titanium
the first computers were made up of some form of metal
it is made up of diffrent metals,and other hard materials>