Decibels are really more a measure of sound level. 65 decibels would be about the level of normal conversation or laughter.
Fireworks are definitely not illegal in China. Ancient China created fireworks in the 7th century to scare away evil spirits. People now still use fireworks in China for the Chinese New Year and Mid-Autumn Moon Festival. China is the largest manufacturer of fireworks in the world.
They have to wash all the dishes at the party.
no they do not expire, however they become unpreditable. they may explode instead of launching.
Yes, I have seen a man killed by a firework and I have also seen other people burned by them.
20 decibels
207 decibels.
70-100 decibels
20 to 50 decibels (dB).
85 decibels maximum.
in what
130 decibels -140 decibels close up maybe louder though
Roughly 150-160 decibels.
50 phons (decibels) is equivalent to 2 sones.
•Sound can be measured in many ways such as decibels. There is a special machine which you can by that measures how many decibels something makes. A pin makes 10 decibels where as a loud persons or a stereo can make up to 80 decibels. Volume is measured in decibels. So Frequency is measured in hertz
a plane has 15000 decibels, there are lots maybe upto 2000000
deafning sounds begins at 170 decibels