They used to be copper and steel but now they are made of aluminum and plastic.
Aluminum
galvanized steel and plastic
Replace the radiator with a new or good used one.
Water isn't used in car radiators, radiator fluid is. that is used because it is a liquid of the right density to hold radiated heat from the radiator and pass it around the car where it is needed.
Brass aluminium alloy is using to make the car-key, because it's material and mechanical properties are possible for the car-key.
They recycle the material and make car parts
carbon fibre is used to make the car lighter and at the same time the material is strong
that depends on the car part and what make of car it is
Yes it can!
to make it lighter
question- what was the car without a radiator? well it's probly a car without a stinking radiator,,,
the material used to clean the car(external) is the chamois leather.it is obtained from the chamois (a type of antelope). hope it was helpful...