Steel.
because its a strong metal
Aluminium is used to make body parts of MRT train
This metal is titanium.
Centrifugal force is pulling the train's metal wheels against the sides of the metal train tracks, creating friction. Metal on metal makes a horrible noise.
aluminium
Trains are built with plastic and metal. Electricity is used to run the motor in the train. The train gets the electricity from the track or catenary wire which is connected to the appropriate power supply.
Aluminum.
airplane body
Thorium has no biological role. Thorium is a heavy, radioactive metal which is not used in the human body.
Thorium has no biological role. Thorium is a heavy, radioactive metal which is not used in the human body.
Sheet metal used on older car bodies typically ranges from a gauge of 16 to 18. Sheet metal used on the auto body of new vehicles and when aftermarket body work is performed tends to be between 20 and 22 gauge.