Examination of the hearing test results indicated that 77
workers (30.70) have hearing loss and, according to these
results, distribution of these workers with hearing problems
to industries is: 37.66% in concrete traverse factory,
25.97% textile factory, 20.77% iron and steel factory, and
15.58% cement factory (Table 7). These results have not
been statistically important (p> 0.05).