noise pollution

NOISE POLLUTION IN HCM

2 main parts

• Solutions to noise

• Some bad effects of noise

Some bad effects of noise

Physical effect

Mental effect

Physical effect

1. Decrease quality of hearing

eardrum

0 – 90 decibels

>120 dB (pain)

>150 dB (deaf)

2.Make brain stressful gradually

Mental effect

• Cannot concentrate on working

• Become angry, irritated easily

NOISE SOLUTIONS

1. Restrict vehicular horns

2. Obey traffic rules about noise

3. Use earplugs

earplug

4. Don’t talk , laugh too loudly

2 main parts

• Solutions to noise

• Some bad effects of noise

Thank for your listening