Factors associated with the level of Knowledge and self-reported Practice toward safety precautions among Factory Workers in East Gojjam Zone, Northwest Ethiopia oleh Yeshiemebet Mengesha, Zewdu Dagnew, Zewdie Aderaw, Animut Takele Telayneh, Tegegne Temesgen, Eniyew Tegegne, Getasew Yirdaw