Reference answer:
1. The scene is messy, the wires are not standardized, and the wiring is not standardized.
2. The power cord is not of the type of double protection.
3. Handheld power tools without protective cover
4. This device does not have a ground wire
5. On-site 3S is poor, and there are cloth flammable products on site;
1. The scene is messy, the wires are not standardized, and the wiring is not standardized.
2. The power cord is not of the type of double protection.
3. Handheld power tools without protective cover
4. This device does not have a ground wire
5. On-site 3S is poor, and there are cloth flammable products on site;
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