Shopping on line can be easy, simple and save you lots of money. It can also take a lot of your time, frustrate you, and result in unwanted purchases. Now the same can be said for regular high street shopping, but with the vast opportunity presented by the Internet it will pay you to spend a few minutes reading this and understanding how to better optimize your Industrial Noise shopping experience:
1. Compare - without doubt the biggest advantage that the Industrial Noise offers shoppers today is the ability to compare thousands of Industrial Noise at a time. This is a great thing, but not necessarily all the time! Too much can be daunting at times so take advantage of the great comparison sites and where possible let them do the hard work for you.
2. Research - if it has been said it will be on the internet. Ignorance is no longer a justifiable reason for buying the wrong thing. Take the time to research in detail everything that you could possible want to know about
3. Testimonials - don't know anybody that has bought a Industrial Noise? Wrong! If the Industrial Noise is good the internet will let you know. Use the Internet as a friend and get testimonials before you buy.
4. Questions - Got a question about Industrial Noise then search the Forums, FAQ's, Blogs etc. Don't be afraid to ask .....
5. Reputation - Never heard of the company selling Industrial Noise? Don't worry, no reason why you should know every company in the world, but you know someone that does! Use the internet to find out what people are saying about Industrial Noise and build up a picture of their reputation for sales, returns, customer service, delivery etc.
6. Returns - still worried that even after all of the above your Industrial Noise wont be what you want? Check out the returns policy. There is so much competition now that someone, somewhere is bound to offer the terms that you are comfortable with.
7. Feedback - happy with your Industrial Noise then let people know, after all you are depending on others people input in your buying decision, so why not give a little back.
8. Security - check for the yellow padlock on the Industrial Noise site before you buy, and the s after http:/ /i.e. https:// = a secure site
9. Contact - got a question about Industrial Noise, or want to leave a comment then check out the sites contact page. Reputable companies have them and respond.
10. Payment - ready to pay for your Industrial Noise, then use your credit card or PayPal! Be aware of companies that don't accept them, there may be genuine reasons but given the huge amount of choice you have when buying online there is no reason at all not to buy via credit card or PayPal.
Industrial noise is usually considered mainly from the point of view of environmental health and safety, rather than nuisance, as sustained exposure can cause permanent hearing damage. Traditionally,
workplace noise has been a hazard linked to heavy industries such as ship-building and associated only with noise induced hearing loss (NIHL). Modern thinking in
occupational safety and health identifies noise as hazardous to
worker safety and health in many places of employment and by a variety of means.
Noise can not only cause hearing impairment (at long-term exposures of over 85 decibels (dB)), but it also acts as a causal factor for stress (medicine) and raises systolic blood pressure.
Additionally, it can be a causal factor in work accidents, both by masking hazards and warning signals, and by impeding concentration.
Noise also acts synergistically with other hazards to increase the risk of harm to workers. In particular, noise and dangerous substances (e.g. some
solvents) that have some tendencies towards
ototoxicity may give rise to rapid
ear damage.
A-weighting measurements are commonly used to determine noise levels that can cause harm to the human ear, and special exposure meters are available that integrate noise over a period of time to give an Leq value (equivalent sound pressure level), defined by standards.
Industrial noise reduction
When two identical industrial noise sources are side by side producing a recorded noise at 100 dB(A) the reduction in noise from shutting off one of the noise sources is about 3 dBA resulting in 97 dBA.
When one doubles the distance from a noise source the recorded noise level is reduced by 6 dBA. This is also called the
Rule of 6. This is based on the fact that the equation to calculate noise attenuation at a distance D_2, knowing the SPL at distance D_1 is given by 10log_{10}\left, where D is the distance. If the distance is doubled, the equation simplifies to 20*log(2) which equals 6.02 (or approx. 6)
See also
External links
- Occupational Safety & Health Administration
Industrial noise is usually considered mainly from the point of view of environmental health and safety, rather than nuisance, as sustained exposure can cause permanent hearing damage. Traditionally,
workplace noise has been a
hazard linked to heavy industries such as
ship-building and associated only with noise induced hearing loss (NIHL). Modern thinking in occupational safety and health identifies noise as hazardous to worker safety and health in many places of employment and by a variety of means.
Noise can not only cause hearing impairment (at long-term exposures of over 85 decibels (dB)), but it also acts as a causal factor for
stress (medicine) and raises systolic
blood pressure.
Additionally, it can be a causal factor in work accidents, both by masking hazards and warning signals, and by impeding concentration.
Noise also acts synergistically with other hazards to increase the risk of harm to workers. In particular, noise and dangerous substances (e.g. some
solvents) that have some tendencies towards ototoxicity may give rise to rapid ear damage.
A-weighting measurements are commonly used to determine noise levels that can cause harm to the human ear, and special exposure meters are available that integrate noise over a period of time to give an Leq value (equivalent sound pressure level), defined by standards.
Industrial noise reduction
When two identical industrial noise sources are side by side producing a recorded noise at 100 dB(A) the reduction in noise from shutting off one of the noise sources is about 3 dBA resulting in 97 dBA.
When one doubles the distance from a noise source the recorded noise level is reduced by 6 dBA. This is also called the
Rule of 6. This is based on the fact that the equation to calculate noise attenuation at a distance D_2, knowing the SPL at distance D_1 is given by 10log_{10}\left, where D is the distance. If the distance is doubled, the equation simplifies to 20*log(2) which equals 6.02 (or approx. 6)
See also
External links
- Occupational Safety & Health Administration
