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×өíө▓өüÓ╣äөøө½ө▓өÖÓ╣ëө¡өó: Elimination > Engineering Control > Substitution > PPE > Administrative Control; Elimination > Substitution > Engineering Control > Administrative Control > PPE; Substitution > Engineering Control > Elimination > PPE > Administrative Control; Engineering Control > Elimination > Substitution > Administrative Control > PPE