Soo Jing Yuan, Soo Jing Yuan and Foo, Shu Khai and Othman, Siti Amira (2020) Earplug. In: Personal protective equipment. Penerbit UTHM, UTHM, pp. 55-58. ISBN 978-967-2916-98-7
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Abstract
Earplug have been created since a long time ago, the earliest patent earplug was made in 1884. Human tend to use finger to cover their ears to blocking the noise absorb by the ear. It was surprisingly effective but human unable to sustain for a long period of time and while using finger to decrease the volume, human unable to do other work in such condition.
Item Type: | Book Section |
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Subjects: | T Technology > T Technology (General) > T11.95-12.5 Industrial directories > T55-55.3 Industrial safety. Industrial accident prevention |
Divisions: | Faculty of Applied Science and Technology > Department of Physics and Chemistry |
Depositing User: | Mr. Abdul Rahim Mat Radzuan |
Date Deposited: | 17 Jan 2022 03:20 |
Last Modified: | 17 Jan 2022 03:20 |
URI: | http://eprints.uthm.edu.my/id/eprint/4654 |
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