Protection - safety earplugs
Hearing Protection is there for you to protect against loud noise which you in your work or hobbies may encounter.
It protects you against loud noise all day if you are working with machines that produce more than 80 dB (A) noise.
You must protect against loud noise in your work. (More than 80 dB (A))
Because the noise induced hearing loss and because it is one of the
the most common occupational diseases.
If there is a sound that is more than 80 dB (A) produces you must protect themselves with hearing protection.
A common hearing loss occurs when wearing an I-pod or MP3 player.
Be careful when you use these players and put them not hard.
Even in traffic because you are very distracted and not quite get everything wath happens around you.
In your work is even
obliged to from 80 dB (A) hearing to receive and from 85 dB (A)
required to wear.
See below how long you live in an environment with noise can stay without damaging your hearing.
Level of noise in dB(A) Maximum daily exposure time
85 - 8 Hours
91 - 2 Hours
97 - 30 Minutes
103 - 7 Minutes
The reduction formula is as follow
Derated NRR = (original NRR x (1-.25))-7
If you are going to use hearing protection for a longer time than you used the best
custom molded hearing protection.
This hearing protection is comfortable and soft for your skin.
Please note that long term use can give health risks:
Wax in your ear, you can clean with water and mild soap.
Irritation of the skin in your ear.
What is hearing loss?
How did you hear less than you started working?
After a period working in a noise above 80 dB (A) noise you become deaf after a long time.
When a sound is very loud, more than 100 dB (A), this happened rather than a sound of 90 dB (A)
Extremely loud noise gives hearing loss within one minute, the sound of an F16 instance.
The hair cells in the cochlea are in dysfunction due to noise above 80 dB (A).
This dysfunction is not reversible.
Here you will then hear no more of the high frequencies.
This will often interfere with speech dei no longer understood.
So use anywhere where more than 80 dB (A) sound hearing protection,
so you do not become isolated for the rest of your life.