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2. NIOSH Power Tools Database - Wikipedia

   en.wikipedia.org/wiki/NIOSH_Power_Tools_Database

   A substantial part of this noise results from the use of power tools, which can produce dangerous levels of noise by themselves. [6] Although the loudness of power tools may be quite apparent to those using them, the actual level of noise produced was mostly unreported and not available easily in an online reference.

3. Don't Lose The Music - Wikipedia

   en.wikipedia.org/wiki/Don't_Lose_The_Music

   Exposure to loud music can lead to a range of hearing problems such as noise-induced hearing loss, tinnitus and hyperacusis. Here are some commonly quoted comparisons of sound levels: 0 dB(A) - the lowest sound level a person with normal hearing can detect [4] 20 dB(A) - a quiet room at night; 60 dB(A) - ordinary spoken conversation

4. Siren (alarm) - Wikipedia

   en.wikipedia.org/wiki/Siren_(alarm)

   Its distinct tone of urgency, high sound pressure level (123 dB at 10 feet) and square sound waves account for its effectiveness. In Germany and some other European countries, the pneumatic two-tone (hi-lo) siren consists of two sets of air horns, one high pitched and the other low pitched.

5. Pneumatic tool - Wikipedia

   en.wikipedia.org/wiki/Pneumatic_tool

   A pneumatic tool, air tool, air-powered tool or pneumatic-powered tool is a type of power tool, driven by compressed air supplied by an air compressor. Pneumatic tools can also be driven by compressed carbon dioxide (CO 2) stored in small cylinders allowing for portability. [1] Most pneumatic tools convert the compressed air to work using a ...

6. Jackhammer - Wikipedia

   en.wikipedia.org/wiki/Jackhammer

   A pneumatic jackhammer, also known as a pneumatic drill or pneumatic hammer, [20] is a jackhammer that uses compressed air as the power source. The air supply usually comes from a portable air compressor driven by a diesel engine. Reciprocating compressors were formerly used.

7. Needlegun scaler - Wikipedia

   en.wikipedia.org/wiki/Needlegun_scaler

   [3] [2] Different models offer choices of number of needles, operating speed, and power levels. [3] Many models use compressed air, although electrical needle-guns do exist. [3] [6] In a pneumatic unit, compressed air forces a piston forwards and backwards. [3] This movement causes the needles to move back and forth against the work surface. [3]

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Sound level meter - Wikipedia

   en.wikipedia.org/wiki/Sound_level_meter

   A noise dosimeter (American) or noise dosemeter (British) is a specialized sound level meter intended specifically to measure the noise exposure of a person integrated over a period of time; usually to comply with Health and Safety regulations such as the Occupational Safety and Health (OSHA) 29 CFR 1910.95 Occupational Noise Exposure Standard ...