өêөçÓ╣ÇөúөÁөóөçөÑө│өöө▒өÜөíө▓өòөúөüө▓өúөäөºөÜөäө©өíÓ╣üөÑө░өÜөúөúÓ╣Çөùө▓өäөºө▓өíÓ╣ÇөøÓ╣çөÖө¡ө▒өÖөòөúө▓өó (Hierarchy of Control) өêө▓өüөøөúө░ө¬ө┤өùөÿө┤өáө▓ө×өÖÓ╣ëө¡өóÓ╣äөøө½ө▓өíө▓өü┬á: Administrative Control > PPE > Elimination > Engineering Control > Substitution ┬á; PPE > Administrative Control > Substitution > Engineering Control > Elimination ┬á┬á; PPE > Administrative Control > Engineering Control > Substitution > Elimination┬á; PPE > Engineering Control > Elimination > Administrative Control > Substitution ┬á┬á