Iron
because Cast iron is strong heavy crushing machinery.
because the car is make up of iron
Certain car parts can be made by running molten metal into a mould formed in special sand. This process is were the term caste iron comes from.
While iron is commonly used in structural applications like car bodies and ferris wheels due to its strength and durability, it is also used in food fortification to address iron deficiencies. The iron added to breakfast cereal is typically in the form of iron salts, such as ferrous sulfate, which are easily absorbed by the body to help prevent conditions like anemia.
A car Rusting is a chemicall change as a the iron in the car is converted into a different substance: iron oxide.
Although many elements make up car batteries, the nickel and iron battery has dominated for decades.
Almost all car manufacturers have used cast iron radiators at one time or another, however most are now made of an aluminum alloy that can cool the water intake quickly.
car bodies are made of steel alloy that contains iron and carbon.
Iron and oxygen
It's a chemical change; a car rusts because the iron on the car's surface react with oxygen and water to form iron oxides.
red and black (in iron man 2)