4. VEHICLE NOISE. The man made vehicles. Some vehicles have dangerous sounds which are harmful for people.

5. MACHINE NOISE. Machines too make noises which cause acute disturbance to people

6. RAILWAY NOISE. Due to sounds made by the horn, people are at a risk of high blood pressure and heart attack

7. HARMFUL In the world the noise pollution is dangerous which give us happy and also give us harmful effects.

8. SOUND POLLUTION. During festivals, people use loud speakers at full volume. This disturbs people and causes irritation.

9. Give Answer 1..How many types of noise pollution ? 2..Who made vehicle? 3..What things give us harmful effects? 4..Write disadvantages of noise?