өçө▓өÖÓ╣ÇөéÓ╣ëө▓Ó╣äөøөïÓ╣êө¡өíөÜө│өúө©өç Ó╣üөüÓ╣ëÓ╣äөéÓ╣ÇөäөúөÀÓ╣êө¡өçөêө▒өüөú (Service or Maintenance) өòÓ╣ëө¡өçөíөÁөüө▓өúөüө│ө½өÖөöÓ╣âө½Ó╣ëөíөÁөüө▓өúөòө▒өöÓ╣üөóөüө×өÑө▒өçөçө▓өÖө£Ó╣êө▓өÖө¡ө©өøөüөúөôÓ╣îөòө▒өöÓ╣üөóөüө½өÑө▒өü (Isolation device) Ó╣üөÑө░өòÓ╣ëө¡өçөíөÁөüө▓өúөöө│Ó╣ÇөÖө┤өÖөüө▓өú LOTO өöÓ╣ëөºөóÓ╣Çө¬өíө¡ өóөüÓ╣ÇөºÓ╣ëөÖ өüө▓өúөøөÅө┤өÜө▒өòө┤өçө▓өÖөÖө▒Ó╣ëөÖө¡өóө╣Ó╣êÓ╣âөÖөúө░өóө░өüө▓өúөäөºөÜөäө©өíÓ╣äөöÓ╣ëөòөÑө¡өöөúө░өóө░Ó╣ÇөºөÑө▓өùөÁÓ╣êөíөÁөüө▓өúөøөÅө┤өÜө▒өòө┤өçө▓өÖ ө½өúөÀө¡Ó╣ÇөøÓ╣çөÖөÑө▒өüө®өôө░өéө¡өç Plug (Exclusive control) өûөÀө¡өºÓ╣êө▓ө¬ө▓өíө▓өúөûөÑө░Ó╣ÇөºÓ╣ëөÖөüө▓өúөùө│ LOTO өáө▓өóө½өÑө▒өçөüө▓өúөòө▒өöÓ╣üөóөüÓ╣äөöÓ╣ë┬á