e6503375_009__Tanpa_Klasifikasi_Lugansk__3
[0] 99. [1] Worker С. works at the chemical enterprise N, producing sulfuric acid for 6 year. It was defined that the content of sulfuric gas was in two times more than MAC. What protective equipment do you advise him to use? [2] *gas mask [4] ABA [5] mask [6] cotton facial bandage [3] 
hose mask
Krok 2009: Tanpa Klasifikasi Lugansk
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