There are many things on a car that are used to reduce pollution. the catalytic converter is a large portion of pollution reduction by burning unburned fuel. The EGR (Exhaust Gas Recirculation) system adds some of the exhaust/unburned fuel back to the combustion chamber. The Computer Monitors multiple sensors including the oxygen sensors to give optimum fuel delivery to the combustion chamber, burning fuel more efficiently.
With out writing a book here, try a study guide for an automotive class from a local (collage)book store.
There are a great many devices in the world that are used to prevent noise pollution. Mutes and sound-proofing materials on walls are two devices used.
To help prevent pollution people could walk, ride bikes and use public transportation.
Don't use a car as much and walk more.
There can be many things to prevent ozone pollution. Less CFC's and ground pollution can cause ozone pollution reduction.
To help prevent pollution people can walk, ride bikes and use public transportation.
use of unleaded petrol should be encouraged and alot of things 2.....
One can prevent pollution in Hindi and anywhere by reducing their carbon footprints. People can car pool and use more natural resources. People can recycle and eat more organic foods.
its important to stop prevent air pollution because it could cause death.
To prevent pollution from cars and factories
i think you can use something else than salt and something safer
by sezig all the vehicles
because they start to die when there is water pollution and that tells us that there is water pollution