And from analysis using Paired t-test evaluation of all workers 12 found that Article 4 is known about the dangers of the environment in biological functions, including pathogenic bacteria significance at 0.01, 6 a. about the dangers of working environment including ergonomic, fatigue and muscle injuries. The significance level of 0.01, an 8 are worn to protect the personal safety (PPE) at significance level 0.04 Table concluded that Articles 4, 6, 8, with the higher score before getting the procedure. highly significant p-values <0.05, and this study is to provide guidelines for the development.
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