Average volume (LAeq8) in the range of 81.0-98.1 DB (A) sound level is exceeded, the Department of the Interior Ministry standard
safety at work about the environmental category. Volume 3 (1993. 2546 (2003)) 9 11 departments, including departments and check point (B point) to tapping Department (C and D) sand shot Department
words grinding Department (E & F) Department, a pump furnace Department Department Department sand blasted cupola tap Select maintenance
.And found that the Department has a maximum grinding Department, Lmax is the sound of words, sound levels are at 120.1 DB (A) sound level average Department (LAeq8).
a minimum volume oven Department are at 81.0 DB (A) sound level and average (LAeq8)
.Max is words sound level grinding Department stood at 98.1 decibel (A) where the security is in electrical furnace Department second
is a Department, QC Department, oven, respectively, and the area is vulnerable to hear Max is
.Department supervisors, tap grinding water check departments and some of the words.
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