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1. Ensure that the working environment has grounding wire: weld the wiring copper strip at the bottom of the metal piece, lead it out from the bottom of the lawn, and connect it to the PE terminal (equipotential connection terminal) of the original facility.
2. If there is static electricity accumulation, and the environmental humidity is less than 30%, it is recommended to spray antistatic agent once, the antistatic agent is non-toxic, harmless, belongs to green environmental protection products. (Electrostatic agent: water =1:100, 1Kg of pure antistatic agent preparation of the mixture of 500-1000m2 single spraying area).