This article P’Tang did not come to sell but let’s introduce an important helper in the work which today we will talk about earplugs or noise reduction earplugs
Normally working in the area very noisy or working with equipment with a loud sound If we do not have a device to help reduce the burden of sound that affects our ears It is considered something that should not be overlooked because every time we use a tool that emits sound and there is no use of assistive devices such as ear plugs or ear plugs to reduce noise may cause very bad results therefore P’Tang said that we should not neglect and pay attention to this assistive device.
Ear plugs or ear plugs has been announced by the department of labor protection and welfare on the calculation of the sound level that is felt in the ear when wearing personal protective equipment Ministerial Regulations prescribing standards for the management, management and operation of occupational safety, health and working environment related to heat, light and noise requiring employers to arrange for employees to wear personal protective equipment at all times while working to reduce the level of sound in the ear when wearing personal protective equipment not upto standard as required by law You can study information from this document.
Types of sound protection devices are divided into 2 types
1. Ear muffs can reduce noise from 30-40 dB, reduce noise at frequencies higher than 400 Hz well there are 2 types metal and plastic.
2. Ear plugs (ear plugs) can reduce noise from 15-25dB, reduce noise at frequencies below 400 Hz well, made from many materials such as foam, asbestos, fiber glass, etc.
NRR and SNR are the current noise reduction values for noise canceling earplugs or noise canceling earmuffs the noise reduction value complies with two international standards, among them NRR is the American standard and SNR is the international standard.
How to choose the right earplugs or noise reduction earplugs
We should observe the area that we use or work with this area on a regular basis that there is noise at any level If this area is used or works with high noise levels, ear muffs may be more suitable and meet the needs of the user. or areas where noise is lower, ear plugs may be a good help. and can save money in your pocket as well which the selection of this Nowadays, there are many brands to choose from, many prices, if you still can’t decide P’Tang Ana leads you to try to find time go and look at the sources selling this type of products to use Before deciding to actually buy it, look at it.