When the equipment fails to be repaired, a sign such as "equipment maintenance, no start-up" is hung on a prominent position of the equipment to show a warning.
When the equipment fails for repair, in the equipment prominent position hung "equipment repair, do not turn on" and other words of the sign, as a warning.
When the equipment is in trouble for maintenance, the signboard with the words "equipment maintenance, do not start up" shall be hung at the prominent position of the equipment to show warning.<br>